Home / 377,061,874.67-520,337,227.15-218,298,691.87

Finding the Fourth Proportional to 377,061,874.67, 520,337,227.15 and 218,298,691.87

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Solution

The fourth proportional to 377,061,874.67, 520,337,227.15 and 218,298,691.87 is: 301,247,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,061,874.67 : 520,337,227.15 = 218,298,691.87 : x
  2. Step 2: Convert to fraction form
    377,061,874.67/520,337,227.15 = 218,298,691.87/x
  3. Step 3: Cross multiply
    377,061,874.67x = 520,337,227.15 × 218,298,691.87
  4. Step 4: Simplify right side
    377,061,874.67x = 113,588,936,018,108,048
  5. Step 5: Solve for x
    x = 113,588,936,018,108,048/377,061,874.67
  6. Step 6: Final answer
    x = 301,247,470.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.