Finding the Fourth Proportional to 1,939,368,510.83, 2,909,052,804.72 and 465,508,319.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,368,510.83 : 2,909,052,804.72 = 465,508,319.73 : x
2. Step 2: Convert to fraction form
   1,939,368,510.83/2,909,052,804.72 = 465,508,319.73/x
3. Step 3: Cross multiply
   1,939,368,510.83x = 2,909,052,804.72 × 465,508,319.73
4. Step 4: Simplify right side
   1,939,368,510.83x = 1,354,188,283,131,051,008
5. Step 5: Solve for x
   x = 1,354,188,283,131,051,008/1,939,368,510.83
6. Step 6: Final answer
   x = 698,262,488.83