Home / 568,391,964.29-784,382,126.33-320,873,318.54

Finding the Fourth Proportional to 568,391,964.29, 784,382,126.33 and 320,873,318.54

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Solution

The fourth proportional to 568,391,964.29, 784,382,126.33 and 320,873,318.54 is: 442,805,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,391,964.29 : 784,382,126.33 = 320,873,318.54 : x
  2. Step 2: Convert to fraction form
    568,391,964.29/784,382,126.33 = 320,873,318.54/x
  3. Step 3: Cross multiply
    568,391,964.29x = 784,382,126.33 × 320,873,318.54
  4. Step 4: Simplify right side
    568,391,964.29x = 251,687,295,875,848,896
  5. Step 5: Solve for x
    x = 251,687,295,875,848,896/568,391,964.29
  6. Step 6: Final answer
    x = 442,805,865.83

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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.