Home / 746,987,562.90-1,120,481,344.35-488,998,545.30

Finding the Fourth Proportional to 746,987,562.90, 1,120,481,344.35 and 488,998,545.30

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Solution

The fourth proportional to 746,987,562.90, 1,120,481,344.35 and 488,998,545.30 is: 733,497,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,987,562.90 : 1,120,481,344.35 = 488,998,545.30 : x
  2. Step 2: Convert to fraction form
    746,987,562.90/1,120,481,344.35 = 488,998,545.30/x
  3. Step 3: Cross multiply
    746,987,562.90x = 1,120,481,344.35 × 488,998,545.30
  4. Step 4: Simplify right side
    746,987,562.90x = 547,913,747,422,938,368
  5. Step 5: Solve for x
    x = 547,913,747,422,938,368/746,987,562.90
  6. Step 6: Final answer
    x = 733,497,817.95

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Double scale
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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.