Home / 396,951,903.10-595,427,854.65-287,262,480.70

Finding the Fourth Proportional to 396,951,903.10, 595,427,854.65 and 287,262,480.70

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Solution

The fourth proportional to 396,951,903.10, 595,427,854.65 and 287,262,480.70 is: 430,893,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,951,903.10 : 595,427,854.65 = 287,262,480.70 : x
  2. Step 2: Convert to fraction form
    396,951,903.10/595,427,854.65 = 287,262,480.70/x
  3. Step 3: Cross multiply
    396,951,903.10x = 595,427,854.65 × 287,262,480.70
  4. Step 4: Simplify right side
    396,951,903.10x = 171,044,082,604,638,016
  5. Step 5: Solve for x
    x = 171,044,082,604,638,016/396,951,903.10
  6. Step 6: Final answer
    x = 430,893,721.05

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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.