Step 1:
The first step to converting 386171403.54585 to a fraction is to re-write 386171403.54585 in the form p/q where p and q are both positive integers. To start with, 386171403.54585 can be written as simply 386171403.54585/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 386171403.54585, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 386171403.54585/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 386171403.54585/1 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 386171403.54585 as a fraction:
386171403/1 / 1