Home / 407,085,995.20-610,887,262.39-173,918,463.87

Finding the Fourth Proportional to 407,085,995.20, 610,887,262.39 and 173,918,463.87

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Solution

The fourth proportional to 407,085,995.20, 610,887,262.39 and 173,918,463.87 is: 260,988,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,085,995.20 : 610,887,262.39 = 173,918,463.87 : x
  2. Step 2: Convert to fraction form
    407,085,995.20/610,887,262.39 = 173,918,463.87/x
  3. Step 3: Cross multiply
    407,085,995.20x = 610,887,262.39 × 173,918,463.87
  4. Step 4: Simplify right side
    407,085,995.20x = 106,244,574,272,618,432
  5. Step 5: Solve for x
    x = 106,244,574,272,618,432/407,085,995.20
  6. Step 6: Final answer
    x = 260,988,035.76

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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.