Home / 992,441,432.10-1,488,662,148.15-977,135,931.30

Finding the Fourth Proportional to 992,441,432.10, 1,488,662,148.15 and 977,135,931.30

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Solution

The fourth proportional to 992,441,432.10, 1,488,662,148.15 and 977,135,931.30 is: 1,465,703,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,441,432.10 : 1,488,662,148.15 = 977,135,931.30 : x
  2. Step 2: Convert to fraction form
    992,441,432.10/1,488,662,148.15 = 977,135,931.30/x
  3. Step 3: Cross multiply
    992,441,432.10x = 1,488,662,148.15 × 977,135,931.30
  4. Step 4: Simplify right side
    992,441,432.10x = 1,454,625,274,523,608,832
  5. Step 5: Solve for x
    x = 1,454,625,274,523,608,832/992,441,432.10
  6. Step 6: Final answer
    x = 1,465,703,896.95

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Double scale
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1.5x scale

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.