Home / 551,429,793.10-827,144,689.65-491,164,383.70

Finding the Fourth Proportional to 551,429,793.10, 827,144,689.65 and 491,164,383.70

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Solution

The fourth proportional to 551,429,793.10, 827,144,689.65 and 491,164,383.70 is: 736,746,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,429,793.10 : 827,144,689.65 = 491,164,383.70 : x
  2. Step 2: Convert to fraction form
    551,429,793.10/827,144,689.65 = 491,164,383.70/x
  3. Step 3: Cross multiply
    551,429,793.10x = 827,144,689.65 × 491,164,383.70
  4. Step 4: Simplify right side
    551,429,793.10x = 406,264,011,722,670,016
  5. Step 5: Solve for x
    x = 406,264,011,722,670,016/551,429,793.10
  6. Step 6: Final answer
    x = 736,746,575.55

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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.