Home / 457,350,658.36-686,040,789.20-217,723,537.85

Finding the Fourth Proportional to 457,350,658.36, 686,040,789.20 and 217,723,537.85

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Solution

The fourth proportional to 457,350,658.36, 686,040,789.20 and 217,723,537.85 is: 326,592,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,350,658.36 : 686,040,789.20 = 217,723,537.85 : x
  2. Step 2: Convert to fraction form
    457,350,658.36/686,040,789.20 = 217,723,537.85/x
  3. Step 3: Cross multiply
    457,350,658.36x = 686,040,789.20 × 217,723,537.85
  4. Step 4: Simplify right side
    457,350,658.36x = 149,367,227,729,511,264
  5. Step 5: Solve for x
    x = 149,367,227,729,511,264/457,350,658.36
  6. Step 6: Final answer
    x = 326,592,353.15

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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.