Home / 491,881,397.40-737,715,807.90-215,532,077.40

Finding the Fourth Proportional to 491,881,397.40, 737,715,807.90 and 215,532,077.40

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Solution

The fourth proportional to 491,881,397.40, 737,715,807.90 and 215,532,077.40 is: 323,251,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,881,397.40 : 737,715,807.90 = 215,532,077.40 : x
  2. Step 2: Convert to fraction form
    491,881,397.40/737,715,807.90 = 215,532,077.40/x
  3. Step 3: Cross multiply
    491,881,397.40x = 737,715,807.90 × 215,532,077.40
  4. Step 4: Simplify right side
    491,881,397.40x = 159,001,420,607,506,336
  5. Step 5: Solve for x
    x = 159,001,420,607,506,336/491,881,397.40
  6. Step 6: Final answer
    x = 323,251,542.85

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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.