Home / 546,915,161.62-820,374,846.05-132,391,304.64

Finding the Fourth Proportional to 546,915,161.62, 820,374,846.05 and 132,391,304.64

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Solution

The fourth proportional to 546,915,161.62, 820,374,846.05 and 132,391,304.64 is: 198,587,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,915,161.62 : 820,374,846.05 = 132,391,304.64 : x
  2. Step 2: Convert to fraction form
    546,915,161.62/820,374,846.05 = 132,391,304.64/x
  3. Step 3: Cross multiply
    546,915,161.62x = 820,374,846.05 × 132,391,304.64
  4. Step 4: Simplify right side
    546,915,161.62x = 108,610,496,162,398,640
  5. Step 5: Solve for x
    x = 108,610,496,162,398,640/546,915,161.62
  6. Step 6: Final answer
    x = 198,587,466.18

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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.