Home / 827,584,966.20-1,241,377,449.30-679,631,791.80

Finding the Fourth Proportional to 827,584,966.20, 1,241,377,449.30 and 679,631,791.80

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Solution

The fourth proportional to 827,584,966.20, 1,241,377,449.30 and 679,631,791.80 is: 1,019,447,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,584,966.20 : 1,241,377,449.30 = 679,631,791.80 : x
  2. Step 2: Convert to fraction form
    827,584,966.20/1,241,377,449.30 = 679,631,791.80/x
  3. Step 3: Cross multiply
    827,584,966.20x = 1,241,377,449.30 × 679,631,791.80
  4. Step 4: Simplify right side
    827,584,966.20x = 843,679,580,167,872,512
  5. Step 5: Solve for x
    x = 843,679,580,167,872,512/827,584,966.20
  6. Step 6: Final answer
    x = 1,019,447,687.70

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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.