Finding the Fourth Proportional to 6,327,428,609.39, 9,484,499,009.77 and 2,128,923,917.73

Step by Step Solution

1. Step 1: Write the proportion equation
   6,327,428,609.39 : 9,484,499,009.77 = 2,128,923,917.73 : x
2. Step 2: Convert to fraction form
   6,327,428,609.39/9,484,499,009.77 = 2,128,923,917.73/x
3. Step 3: Cross multiply
   6,327,428,609.39x = 9,484,499,009.77 × 2,128,923,917.73
4. Step 4: Simplify right side
   6,327,428,609.39x = 20,191,776,789,580,320,768
5. Step 5: Solve for x
   x = 20,191,776,789,580,320,768/6,327,428,609.39
6. Step 6: Final answer
   x = 3,191,150,471.40