Home / 747,342,502.20-1,121,013,753.30-553,632,257.70

Finding the Fourth Proportional to 747,342,502.20, 1,121,013,753.30 and 553,632,257.70

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Solution

The fourth proportional to 747,342,502.20, 1,121,013,753.30 and 553,632,257.70 is: 830,448,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,342,502.20 : 1,121,013,753.30 = 553,632,257.70 : x
  2. Step 2: Convert to fraction form
    747,342,502.20/1,121,013,753.30 = 553,632,257.70/x
  3. Step 3: Cross multiply
    747,342,502.20x = 1,121,013,753.30 × 553,632,257.70
  4. Step 4: Simplify right side
    747,342,502.20x = 620,629,375,152,229,888
  5. Step 5: Solve for x
    x = 620,629,375,152,229,888/747,342,502.20
  6. Step 6: Final answer
    x = 830,448,386.55

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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.