Home / 531,442,371.90-797,163,557.85-497,430,147.90

Finding the Fourth Proportional to 531,442,371.90, 797,163,557.85 and 497,430,147.90

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Solution

The fourth proportional to 531,442,371.90, 797,163,557.85 and 497,430,147.90 is: 746,145,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,442,371.90 : 797,163,557.85 = 497,430,147.90 : x
  2. Step 2: Convert to fraction form
    531,442,371.90/797,163,557.85 = 497,430,147.90/x
  3. Step 3: Cross multiply
    531,442,371.90x = 797,163,557.85 × 497,430,147.90
  4. Step 4: Simplify right side
    531,442,371.90x = 396,533,186,481,815,680
  5. Step 5: Solve for x
    x = 396,533,186,481,815,680/531,442,371.90
  6. Step 6: Final answer
    x = 746,145,221.85

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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.