Home / 880,679,819.70-1,321,019,729.55-267,263,061.30

Finding the Fourth Proportional to 880,679,819.70, 1,321,019,729.55 and 267,263,061.30

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Solution

The fourth proportional to 880,679,819.70, 1,321,019,729.55 and 267,263,061.30 is: 400,894,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,679,819.70 : 1,321,019,729.55 = 267,263,061.30 : x
  2. Step 2: Convert to fraction form
    880,679,819.70/1,321,019,729.55 = 267,263,061.30/x
  3. Step 3: Cross multiply
    880,679,819.70x = 1,321,019,729.55 × 267,263,061.30
  4. Step 4: Simplify right side
    880,679,819.70x = 353,059,776,957,231,104
  5. Step 5: Solve for x
    x = 353,059,776,957,231,104/880,679,819.70
  6. Step 6: Final answer
    x = 400,894,591.95

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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.