Home / 331,426,948.92-497,140,408.80-147,151,108.68

Finding the Fourth Proportional to 331,426,948.92, 497,140,408.80 and 147,151,108.68

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Solution

The fourth proportional to 331,426,948.92, 497,140,408.80 and 147,151,108.68 is: 220,726,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,426,948.92 : 497,140,408.80 = 147,151,108.68 : x
  2. Step 2: Convert to fraction form
    331,426,948.92/497,140,408.80 = 147,151,108.68/x
  3. Step 3: Cross multiply
    331,426,948.92x = 497,140,408.80 × 147,151,108.68
  4. Step 4: Simplify right side
    331,426,948.92x = 73,154,762,324,548,432
  5. Step 5: Solve for x
    x = 73,154,762,324,548,432/331,426,948.92
  6. Step 6: Final answer
    x = 220,726,656.55

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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.