Step 1:
The first step to converting 492931495.21668 to a fraction is to re-write 492931495.21668 in the form p/q where p and q are both positive integers. To start with, 492931495.21668 can be written as simply 492931495.21668/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 492931495.21668, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 492931495.21668/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 492931495.21668/1 each by 100000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 492931495.21668 as a fraction:
492931495/1 / 1