Home / 418,028,660.22-576,344,034.55-342,396,363.14

Finding the Fourth Proportional to 418,028,660.22, 576,344,034.55 and 342,396,363.14

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Solution

The fourth proportional to 418,028,660.22, 576,344,034.55 and 342,396,363.14 is: 472,068,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,028,660.22 : 576,344,034.55 = 342,396,363.14 : x
  2. Step 2: Convert to fraction form
    418,028,660.22/576,344,034.55 = 342,396,363.14/x
  3. Step 3: Cross multiply
    418,028,660.22x = 576,344,034.55 × 342,396,363.14
  4. Step 4: Simplify right side
    418,028,660.22x = 197,338,101,345,442,560
  5. Step 5: Solve for x
    x = 197,338,101,345,442,560/418,028,660.22
  6. Step 6: Final answer
    x = 472,068,353.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.