Home / 546,948,901.96-820,425,456.54-132,425,032.68

Finding the Fourth Proportional to 546,948,901.96, 820,425,456.54 and 132,425,032.68

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Solution

The fourth proportional to 546,948,901.96, 820,425,456.54 and 132,425,032.68 is: 198,638,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,948,901.96 : 820,425,456.54 = 132,425,032.68 : x
  2. Step 2: Convert to fraction form
    546,948,901.96/820,425,456.54 = 132,425,032.68/x
  3. Step 3: Cross multiply
    546,948,901.96x = 820,425,456.54 × 132,425,032.68
  4. Step 4: Simplify right side
    546,948,901.96x = 108,644,867,893,813,424
  5. Step 5: Solve for x
    x = 108,644,867,893,813,424/546,948,901.96
  6. Step 6: Final answer
    x = 198,638,058.34

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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.