Home / 546,948,882.11-820,425,426.78-132,425,012.82

Finding the Fourth Proportional to 546,948,882.11, 820,425,426.78 and 132,425,012.82

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Solution

The fourth proportional to 546,948,882.11, 820,425,426.78 and 132,425,012.82 is: 198,638,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,948,882.11 : 820,425,426.78 = 132,425,012.82 : x
  2. Step 2: Convert to fraction form
    546,948,882.11/820,425,426.78 = 132,425,012.82/x
  3. Step 3: Cross multiply
    546,948,882.11x = 820,425,426.78 × 132,425,012.82
  4. Step 4: Simplify right side
    546,948,882.11x = 108,644,847,662,272,064
  5. Step 5: Solve for x
    x = 108,644,847,662,272,064/546,948,882.11
  6. Step 6: Final answer
    x = 198,638,028.55

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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.