Home / 639,001,374.90-957,746,235.15-332,135,531.70

Finding the Fourth Proportional to 639,001,374.90, 957,746,235.15 and 332,135,531.70

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Solution

The fourth proportional to 639,001,374.90, 957,746,235.15 and 332,135,531.70 is: 497,810,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,001,374.90 : 957,746,235.15 = 332,135,531.70 : x
  2. Step 2: Convert to fraction form
    639,001,374.90/957,746,235.15 = 332,135,531.70/x
  3. Step 3: Cross multiply
    639,001,374.90x = 957,746,235.15 × 332,135,531.70
  4. Step 4: Simplify right side
    639,001,374.90x = 318,101,555,045,218,432
  5. Step 5: Solve for x
    x = 318,101,555,045,218,432/639,001,374.90
  6. Step 6: Final answer
    x = 497,810,439.13

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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.