Finding the Fourth Proportional to 43,280,321,978.88, 64,875,172,210.23 and 18,112,458,675.09

Step by Step Solution

1. Step 1: Write the proportion equation
   43,280,321,978.88 : 64,875,172,210.23 = 18,112,458,675.09 : x
2. Step 2: Convert to fraction form
   43,280,321,978.88/64,875,172,210.23 = 18,112,458,675.09/x
3. Step 3: Cross multiply
   43,280,321,978.88x = 64,875,172,210.23 × 18,112,458,675.09
4. Step 4: Simplify right side
   43,280,321,978.88x = 1,175,048,875,697,138,171,904
5. Step 5: Solve for x
   x = 1,175,048,875,697,138,171,904/43,280,321,978.88
6. Step 6: Final answer
   x = 27,149,725,833.15