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Finding the Fourth Proportional to 275,863,483.31, 413,326,949.37 and 166,458,759.71

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Solution

The fourth proportional to 275,863,483.31, 413,326,949.37 and 166,458,759.71 is: 249,405,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,863,483.31 : 413,326,949.37 = 166,458,759.71 : x
  2. Step 2: Convert to fraction form
    275,863,483.31/413,326,949.37 = 166,458,759.71/x
  3. Step 3: Cross multiply
    275,863,483.31x = 413,326,949.37 × 166,458,759.71
  4. Step 4: Simplify right side
    275,863,483.31x = 68,801,891,344,781,536
  5. Step 5: Solve for x
    x = 68,801,891,344,781,536/275,863,483.31
  6. Step 6: Final answer
    x = 249,405,577.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.