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Simplest Yet One of the Toughest Math Questions I've Seen


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Sigh, you can't prove that .999 doesn't equal one, and you're too stubborn to believe that its true.

Since I'm not the type of guy to type up an essay on my point, take a look at this link. It not only uses my theory, but some that others have already posted on the board. Just type in "Why .999 equals 1" and you've got tons of answers for you.

http://www.neatorama...al-to-1-000000/

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Thank you, .99999 does in fact equal to 1, there is absolutely no denying it. I fail to see the flaw in my math in my earlier post. It was solved algebraically, but apparently according to canucklax it was all wrong. I guess I will try another method of explaining why .9999=1,1.999=2, 2.9999=3, etc.

Lets look at 3.999=4

3.9999 = 3 + .9999999

.9999 = 9/10 + 9/100 + 9/1000 + 9/10000........ this creates an infinte geometric series.

The equation for solving an infinte geometric series is a / 1-r

a = 9/10

r= 1/10

9/10 / 1- 1/10 would equal 9/10 divided by 9/10

9/10 divided by 9/10 equals to 1

That means,

3.999= 3 + 1

.999 = 1

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The.999 theory only works when using 3. 1/4=.25 2/4=.5 3/4=.75 4/4=1 repeat with any number except 3 and you will get 1 as the result. Because we can't get the exact value of 1/3, it ends up with your .999 conspiracy theory and apparently convincing many people that there is some magical math finding

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The.999 theory only works when using 3. 1/4=.25 2/4=.5 3/4=.75 4/4=1 repeat with any number except 3 and you will get 1 as the result. Because we can't get the exact value of 1/3, it ends up with your .999 conspiracy theory and apparently convincing many people that there is some magical math finding

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Alright I'll try it,

1/6= 0.166666666666

2/6= 0.333333333333

3/6= 0.5

4/6=0.66666666666

5/6=0.83333333333

6/6=0.99999999999

You should have said any multiple of 3.

But, this still doesn't change the fact that .999999 is equal to 1

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The.999 theory only works when using 3. 1/4=.25 2/4=.5 3/4=.75 4/4=1 repeat with any number except 3 and you will get 1 as the result. Because we can't get the exact value of 1/3, it ends up with your .999 conspiracy theory and apparently convincing many people that there is some magical math finding

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but since you can't express it as anything less, it doesn't work. If you use the decimal form of 1/3 in an equation, when do you stop adding on 3's? Never, because it doesn't work, this is what you need to understand and is the flaw in the argument for .99=1

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