Finding the Fourth Proportional to 510,118,811,109.23, 703,959,775,771.98 and 278,632,478,003.15

Step by Step Solution

1. Step 1: Write the proportion equation
   510,118,811,109.23 : 703,959,775,771.98 = 278,632,478,003.15 : x
2. Step 2: Convert to fraction form
   510,118,811,109.23/703,959,775,771.98 = 278,632,478,003.15/x
3. Step 3: Cross multiply
   510,118,811,109.23x = 703,959,775,771.98 × 278,632,478,003.15
4. Step 4: Simplify right side
   510,118,811,109.23x = 196,146,056,737,888,619,462,656
5. Step 5: Solve for x
   x = 196,146,056,737,888,619,462,656/510,118,811,109.23
6. Step 6: Final answer
   x = 384,510,534,538.76