Home / 437,583,863.20-656,475,327.60-255,737,437.60

Finding the Fourth Proportional to 437,583,863.20, 656,475,327.60 and 255,737,437.60

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Solution

The fourth proportional to 437,583,863.20, 656,475,327.60 and 255,737,437.60 is: 383,664,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,583,863.20 : 656,475,327.60 = 255,737,437.60 : x
  2. Step 2: Convert to fraction form
    437,583,863.20/656,475,327.60 = 255,737,437.60/x
  3. Step 3: Cross multiply
    437,583,863.20x = 656,475,327.60 × 255,737,437.60
  4. Step 4: Simplify right side
    437,583,863.20x = 167,885,318,128,044,544
  5. Step 5: Solve for x
    x = 167,885,318,128,044,544/437,583,863.20
  6. Step 6: Final answer
    x = 383,664,326.42

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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.