Finding the Fourth Proportional to 3,940,742,454.89, 5,438,221,038.43 and 2,224,452,948.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940,742,454.89 : 5,438,221,038.43 = 2,224,452,948.56 : x
2. Step 2: Convert to fraction form
   3,940,742,454.89/5,438,221,038.43 = 2,224,452,948.56/x
3. Step 3: Cross multiply
   3,940,742,454.89x = 5,438,221,038.43 × 2,224,452,948.56
4. Step 4: Simplify right side
   3,940,742,454.89x = 12,097,066,823,823,884,288
5. Step 5: Solve for x
   x = 12,097,066,823,823,884,288/3,940,742,454.89
6. Step 6: Final answer
   x = 3,069,743,065.50