Home / 908,350,363.10-1,363,163,273.85-391,151,981.90

Finding the Fourth Proportional to 908,350,363.10, 1,363,163,273.85 and 391,151,981.90

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Solution

The fourth proportional to 908,350,363.10, 1,363,163,273.85 and 391,151,981.90 is: 587,002,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,350,363.10 : 1,363,163,273.85 = 391,151,981.90 : x
  2. Step 2: Convert to fraction form
    908,350,363.10/1,363,163,273.85 = 391,151,981.90/x
  3. Step 3: Cross multiply
    908,350,363.10x = 1,363,163,273.85 × 391,151,981.90
  4. Step 4: Simplify right side
    908,350,363.10x = 533,204,016,219,719,872
  5. Step 5: Solve for x
    x = 533,204,016,219,719,872/908,350,363.10
  6. Step 6: Final answer
    x = 587,002,590.50

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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.