Finding the Fourth Proportional to 6,790,388,215.42, 10,185,579,925.79 and 1,815,980,784.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,790,388,215.42 : 10,185,579,925.79 = 1,815,980,784.87 : x
2. Step 2: Convert to fraction form
   6,790,388,215.42/10,185,579,925.79 = 1,815,980,784.87/x
3. Step 3: Cross multiply
   6,790,388,215.42x = 10,185,579,925.79 × 1,815,980,784.87
4. Step 4: Simplify right side
   6,790,388,215.42x = 18,496,817,427,999,150,080
5. Step 5: Solve for x
   x = 18,496,817,427,999,150,080/6,790,388,215.42
6. Step 6: Final answer
   x = 2,723,970,536.18