Finding the Fourth Proportional to 2,484,485,997.30, 3,723,563,969.55 and 1,320,512,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,484,485,997.30 : 3,723,563,969.55 = 1,320,512,109.30 : x
2. Step 2: Convert to fraction form
   2,484,485,997.30/3,723,563,969.55 = 1,320,512,109.30/x
3. Step 3: Cross multiply
   2,484,485,997.30x = 3,723,563,969.55 × 1,320,512,109.30
4. Step 4: Simplify right side
   2,484,485,997.30x = 4,917,011,311,543,951,360
5. Step 5: Solve for x
   x = 4,917,011,311,543,951,360/2,484,485,997.30
6. Step 6: Final answer
   x = 1,979,085,942.48