Home / 323,912,348.48-447,052,491.26-198,534,286.58

Finding the Fourth Proportional to 323,912,348.48, 447,052,491.26 and 198,534,286.58

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Solution

The fourth proportional to 323,912,348.48, 447,052,491.26 and 198,534,286.58 is: 274,010,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,912,348.48 : 447,052,491.26 = 198,534,286.58 : x
  2. Step 2: Convert to fraction form
    323,912,348.48/447,052,491.26 = 198,534,286.58/x
  3. Step 3: Cross multiply
    323,912,348.48x = 447,052,491.26 × 198,534,286.58
  4. Step 4: Simplify right side
    323,912,348.48x = 88,755,247,413,632,352
  5. Step 5: Solve for x
    x = 88,755,247,413,632,352/323,912,348.48
  6. Step 6: Final answer
    x = 274,010,076.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.