Home / 852,332,512.27-1,278,556,505.21-299,567,737.39

Finding the Fourth Proportional to 852,332,512.27, 1,278,556,505.21 and 299,567,737.39

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Solution

The fourth proportional to 852,332,512.27, 1,278,556,505.21 and 299,567,737.39 is: 449,371,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,332,512.27 : 1,278,556,505.21 = 299,567,737.39 : x
  2. Step 2: Convert to fraction form
    852,332,512.27/1,278,556,505.21 = 299,567,737.39/x
  3. Step 3: Cross multiply
    852,332,512.27x = 1,278,556,505.21 × 299,567,737.39
  4. Step 4: Simplify right side
    852,332,512.27x = 383,014,279,391,025,408
  5. Step 5: Solve for x
    x = 383,014,279,391,025,408/852,332,512.27
  6. Step 6: Final answer
    x = 449,371,898.73

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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.