Finding the Fourth Proportional to 43,280,321,979.88, 64,875,172,211.73 and 18,112,458,676.09

Step by Step Solution

1. Step 1: Write the proportion equation
   43,280,321,979.88 : 64,875,172,211.73 = 18,112,458,676.09 : x
2. Step 2: Convert to fraction form
   43,280,321,979.88/64,875,172,211.73 = 18,112,458,676.09/x
3. Step 3: Cross multiply
   43,280,321,979.88x = 64,875,172,211.73 × 18,112,458,676.09
4. Step 4: Simplify right side
   43,280,321,979.88x = 1,175,048,875,789,182,042,112
5. Step 5: Solve for x
   x = 1,175,048,875,789,182,042,112/43,280,321,979.88
6. Step 6: Final answer
   x = 27,149,725,834.65