Home / 551,428,027.10-827,142,040.65-491,162,617.70

Finding the Fourth Proportional to 551,428,027.10, 827,142,040.65 and 491,162,617.70

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Solution

The fourth proportional to 551,428,027.10, 827,142,040.65 and 491,162,617.70 is: 736,743,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,428,027.10 : 827,142,040.65 = 491,162,617.70 : x
  2. Step 2: Convert to fraction form
    551,428,027.10/827,142,040.65 = 491,162,617.70/x
  3. Step 3: Cross multiply
    551,428,027.10x = 827,142,040.65 × 491,162,617.70
  4. Step 4: Simplify right side
    551,428,027.10x = 406,261,249,895,373,760
  5. Step 5: Solve for x
    x = 406,261,249,895,373,760/551,428,027.10
  6. Step 6: Final answer
    x = 736,743,926.55

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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.