Home / 551,428,023.10-827,142,034.65-491,162,613.70

Finding the Fourth Proportional to 551,428,023.10, 827,142,034.65 and 491,162,613.70

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Solution

The fourth proportional to 551,428,023.10, 827,142,034.65 and 491,162,613.70 is: 736,743,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,428,023.10 : 827,142,034.65 = 491,162,613.70 : x
  2. Step 2: Convert to fraction form
    551,428,023.10/827,142,034.65 = 491,162,613.70/x
  3. Step 3: Cross multiply
    551,428,023.10x = 827,142,034.65 × 491,162,613.70
  4. Step 4: Simplify right side
    551,428,023.10x = 406,261,243,639,829,952
  5. Step 5: Solve for x
    x = 406,261,243,639,829,952/551,428,023.10
  6. Step 6: Final answer
    x = 736,743,920.55

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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.