Step 1:
The first step to converting 19841506648.819 to a fraction is to re-write 19841506648.819 in the form p/q where p and q are both positive integers. To start with, 19841506648.819 can be written as simply 19841506648.819/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 19841506648.819, which in this case is 3. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 19841506648.819/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 19841506648.819/1 each by 1000:
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 19841506648.819 as a fraction:
19841506648/1 / 1