Home / 457,350,602.48-686,040,705.19-217,723,481.92

Finding the Fourth Proportional to 457,350,602.48, 686,040,705.19 and 217,723,481.92

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Solution

The fourth proportional to 457,350,602.48, 686,040,705.19 and 217,723,481.92 is: 326,592,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,350,602.48 : 686,040,705.19 = 217,723,481.92 : x
  2. Step 2: Convert to fraction form
    457,350,602.48/686,040,705.19 = 217,723,481.92/x
  3. Step 3: Cross multiply
    457,350,602.48x = 686,040,705.19 × 217,723,481.92
  4. Step 4: Simplify right side
    457,350,602.48x = 149,367,171,072,819,008
  5. Step 5: Solve for x
    x = 149,367,171,072,819,008/457,350,602.48
  6. Step 6: Final answer
    x = 326,592,269.18

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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.