Step 1:
The first step to converting 580473859.9171 to a fraction is to re-write 580473859.9171 in the form p/q where p and q are both positive integers. To start with, 580473859.9171 can be written as simply 580473859.9171/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 580473859.9171, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 580473859.9171/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 580473859.9171/1 each by 10000:
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 580473859.9171 as a fraction:
580473859/1 / 1