Home / 924,078,115.84-1,275,228,691.20-506,391,324.16

Finding the Fourth Proportional to 924,078,115.84, 1,275,228,691.20 and 506,391,324.16

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Solution

The fourth proportional to 924,078,115.84, 1,275,228,691.20 and 506,391,324.16 is: 698,820,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,078,115.84 : 1,275,228,691.20 = 506,391,324.16 : x
  2. Step 2: Convert to fraction form
    924,078,115.84/1,275,228,691.20 = 506,391,324.16/x
  3. Step 3: Cross multiply
    924,078,115.84x = 1,275,228,691.20 × 506,391,324.16
  4. Step 4: Simplify right side
    924,078,115.84x = 645,764,745,543,591,808
  5. Step 5: Solve for x
    x = 645,764,745,543,591,808/924,078,115.84
  6. Step 6: Final answer
    x = 698,820,515.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.