Finding the Fourth Proportional to 3,658,941,488.15, 5,049,369,520.48 and 1,988,190,629.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658,941,488.15 : 5,049,369,520.48 = 1,988,190,629.34 : x
2. Step 2: Convert to fraction form
   3,658,941,488.15/5,049,369,520.48 = 1,988,190,629.34/x
3. Step 3: Cross multiply
   3,658,941,488.15x = 5,049,369,520.48 × 1,988,190,629.34
4. Step 4: Simplify right side
   3,658,941,488.15x = 10,039,109,164,687,986,688
5. Step 5: Solve for x
   x = 10,039,109,164,687,986,688/3,658,941,488.15
6. Step 6: Final answer
   x = 2,743,719,514.84