Home / 1,013,257,876.64-1,520,869,648.92-488,995,923.92

Finding the Fourth Proportional to 1,013,257,876.64, 1,520,869,648.92 and 488,995,923.92

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Solution

The fourth proportional to 1,013,257,876.64, 1,520,869,648.92 and 488,995,923.92 is: 733,968,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,257,876.64 : 1,520,869,648.92 = 488,995,923.92 : x
  2. Step 2: Convert to fraction form
    1,013,257,876.64/1,520,869,648.92 = 488,995,923.92/x
  3. Step 3: Cross multiply
    1,013,257,876.64x = 1,520,869,648.92 × 488,995,923.92
  4. Step 4: Simplify right side
    1,013,257,876.64x = 743,699,059,135,521,536
  5. Step 5: Solve for x
    x = 743,699,059,135,521,536/1,013,257,876.64
  6. Step 6: Final answer
    x = 733,968,199.29

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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.