Home / 406,945,158.30-610,417,737.45-391,072,787.10

Finding the Fourth Proportional to 406,945,158.30, 610,417,737.45 and 391,072,787.10

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Solution

The fourth proportional to 406,945,158.30, 610,417,737.45 and 391,072,787.10 is: 586,609,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,945,158.30 : 610,417,737.45 = 391,072,787.10 : x
  2. Step 2: Convert to fraction form
    406,945,158.30/610,417,737.45 = 391,072,787.10/x
  3. Step 3: Cross multiply
    406,945,158.30x = 610,417,737.45 × 391,072,787.10
  4. Step 4: Simplify right side
    406,945,158.30x = 238,717,765,879,847,584
  5. Step 5: Solve for x
    x = 238,717,765,879,847,584/406,945,158.30
  6. Step 6: Final answer
    x = 586,609,180.65

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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.