Home / 880,693,677.70-1,321,040,516.55-267,276,919.30

Finding the Fourth Proportional to 880,693,677.70, 1,321,040,516.55 and 267,276,919.30

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Solution

The fourth proportional to 880,693,677.70, 1,321,040,516.55 and 267,276,919.30 is: 400,915,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,693,677.70 : 1,321,040,516.55 = 267,276,919.30 : x
  2. Step 2: Convert to fraction form
    880,693,677.70/1,321,040,516.55 = 267,276,919.30/x
  3. Step 3: Cross multiply
    880,693,677.70x = 1,321,040,516.55 × 267,276,919.30
  4. Step 4: Simplify right side
    880,693,677.70x = 353,083,639,533,964,672
  5. Step 5: Solve for x
    x = 353,083,639,533,964,672/880,693,677.70
  6. Step 6: Final answer
    x = 400,915,378.95

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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.