Home / 428,496,251.60-591,331,306.36-240,366,248.47

Finding the Fourth Proportional to 428,496,251.60, 591,331,306.36 and 240,366,248.47

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Solution

The fourth proportional to 428,496,251.60, 591,331,306.36 and 240,366,248.47 is: 331,709,057.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,496,251.60 : 591,331,306.36 = 240,366,248.47 : x
  2. Step 2: Convert to fraction form
    428,496,251.60/591,331,306.36 = 240,366,248.47/x
  3. Step 3: Cross multiply
    428,496,251.60x = 591,331,306.36 × 240,366,248.47
  4. Step 4: Simplify right side
    428,496,251.60x = 142,136,087,712,617,456
  5. Step 5: Solve for x
    x = 142,136,087,712,617,456/428,496,251.60
  6. Step 6: Final answer
    x = 331,709,057.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.