Step 1:
The first step to converting 1959146173.7805 to a fraction is to re-write 1959146173.7805 in the form p/q where p and q are both positive integers. To start with, 1959146173.7805 can be written as simply 1959146173.7805/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1959146173.7805, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1959146173.7805/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1959146173.7805/1 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 1959146173.7805 as a fraction:
1959146173/1 / 1