Home / 396,951,902.10-595,427,853.15-287,262,479.70

Finding the Fourth Proportional to 396,951,902.10, 595,427,853.15 and 287,262,479.70

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Solution

The fourth proportional to 396,951,902.10, 595,427,853.15 and 287,262,479.70 is: 430,893,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,951,902.10 : 595,427,853.15 = 287,262,479.70 : x
  2. Step 2: Convert to fraction form
    396,951,902.10/595,427,853.15 = 287,262,479.70/x
  3. Step 3: Cross multiply
    396,951,902.10x = 595,427,853.15 × 287,262,479.70
  4. Step 4: Simplify right side
    396,951,902.10x = 171,044,081,578,316,448
  5. Step 5: Solve for x
    x = 171,044,081,578,316,448/396,951,902.10
  6. Step 6: Final answer
    x = 430,893,719.55

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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.