Home / 546,915,162.72-820,374,847.70-132,391,305.74

Finding the Fourth Proportional to 546,915,162.72, 820,374,847.70 and 132,391,305.74

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Solution

The fourth proportional to 546,915,162.72, 820,374,847.70 and 132,391,305.74 is: 198,587,467.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,915,162.72 : 820,374,847.70 = 132,391,305.74 : x
  2. Step 2: Convert to fraction form
    546,915,162.72/820,374,847.70 = 132,391,305.74/x
  3. Step 3: Cross multiply
    546,915,162.72x = 820,374,847.70 × 132,391,305.74
  4. Step 4: Simplify right side
    546,915,162.72x = 108,610,497,278,492,816
  5. Step 5: Solve for x
    x = 108,610,497,278,492,816/546,915,162.72
  6. Step 6: Final answer
    x = 198,587,467.82

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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.