Home / 880,668,003.70-1,321,002,005.55-267,251,245.30

Finding the Fourth Proportional to 880,668,003.70, 1,321,002,005.55 and 267,251,245.30

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Solution

The fourth proportional to 880,668,003.70, 1,321,002,005.55 and 267,251,245.30 is: 400,876,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,668,003.70 : 1,321,002,005.55 = 267,251,245.30 : x
  2. Step 2: Convert to fraction form
    880,668,003.70/1,321,002,005.55 = 267,251,245.30/x
  3. Step 3: Cross multiply
    880,668,003.70x = 1,321,002,005.55 × 267,251,245.30
  4. Step 4: Simplify right side
    880,668,003.70x = 353,039,431,027,035,008
  5. Step 5: Solve for x
    x = 353,039,431,027,035,008/880,668,003.70
  6. Step 6: Final answer
    x = 400,876,867.95

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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.