Home / 911,008,082.10-1,366,512,123.15-667,351,787.70

Finding the Fourth Proportional to 911,008,082.10, 1,366,512,123.15 and 667,351,787.70

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Solution

The fourth proportional to 911,008,082.10, 1,366,512,123.15 and 667,351,787.70 is: 1,001,027,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,008,082.10 : 1,366,512,123.15 = 667,351,787.70 : x
  2. Step 2: Convert to fraction form
    911,008,082.10/1,366,512,123.15 = 667,351,787.70/x
  3. Step 3: Cross multiply
    911,008,082.10x = 1,366,512,123.15 × 667,351,787.70
  4. Step 4: Simplify right side
    911,008,082.10x = 911,944,308,297,875,200
  5. Step 5: Solve for x
    x = 911,944,308,297,875,200/911,008,082.10
  6. Step 6: Final answer
    x = 1,001,027,681.55

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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.