Home / 791,737,383.60-1,188,172,945.80-332,005,489.20

Finding the Fourth Proportional to 791,737,383.60, 1,188,172,945.80 and 332,005,489.20

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Solution

The fourth proportional to 791,737,383.60, 1,188,172,945.80 and 332,005,489.20 is: 498,245,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,737,383.60 : 1,188,172,945.80 = 332,005,489.20 : x
  2. Step 2: Convert to fraction form
    791,737,383.60/1,188,172,945.80 = 332,005,489.20/x
  3. Step 3: Cross multiply
    791,737,383.60x = 1,188,172,945.80 × 332,005,489.20
  4. Step 4: Simplify right side
    791,737,383.60x = 394,479,940,124,534,080
  5. Step 5: Solve for x
    x = 394,479,940,124,534,080/791,737,383.60
  6. Step 6: Final answer
    x = 498,245,944.04

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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.