Home / 396,881,363.17-547,693,412.69-220,667,993.47

Finding the Fourth Proportional to 396,881,363.17, 547,693,412.69 and 220,667,993.47

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Solution

The fourth proportional to 396,881,363.17, 547,693,412.69 and 220,667,993.47 is: 304,520,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,881,363.17 : 547,693,412.69 = 220,667,993.47 : x
  2. Step 2: Convert to fraction form
    396,881,363.17/547,693,412.69 = 220,667,993.47/x
  3. Step 3: Cross multiply
    396,881,363.17x = 547,693,412.69 × 220,667,993.47
  4. Step 4: Simplify right side
    396,881,363.17x = 120,858,406,413,935,584
  5. Step 5: Solve for x
    x = 120,858,406,413,935,584/396,881,363.17
  6. Step 6: Final answer
    x = 304,520,236.09

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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.