Home / 1,013,257,874.14-1,520,869,645.17-488,995,921.42

Finding the Fourth Proportional to 1,013,257,874.14, 1,520,869,645.17 and 488,995,921.42

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Solution

The fourth proportional to 1,013,257,874.14, 1,520,869,645.17 and 488,995,921.42 is: 733,968,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,257,874.14 : 1,520,869,645.17 = 488,995,921.42 : x
  2. Step 2: Convert to fraction form
    1,013,257,874.14/1,520,869,645.17 = 488,995,921.42/x
  3. Step 3: Cross multiply
    1,013,257,874.14x = 1,520,869,645.17 × 488,995,921.42
  4. Step 4: Simplify right side
    1,013,257,874.14x = 743,699,053,499,612,672
  5. Step 5: Solve for x
    x = 743,699,053,499,612,672/1,013,257,874.14
  6. Step 6: Final answer
    x = 733,968,195.54

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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.