Home / 387,240,174.11-534,375,891.18-211,024,413.74

Finding the Fourth Proportional to 387,240,174.11, 534,375,891.18 and 211,024,413.74

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Solution

The fourth proportional to 387,240,174.11, 534,375,891.18 and 211,024,413.74 is: 291,205,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,240,174.11 : 534,375,891.18 = 211,024,413.74 : x
  2. Step 2: Convert to fraction form
    387,240,174.11/534,375,891.18 = 211,024,413.74/x
  3. Step 3: Cross multiply
    387,240,174.11x = 534,375,891.18 × 211,024,413.74
  4. Step 4: Simplify right side
    387,240,174.11x = 112,766,359,150,377,664
  5. Step 5: Solve for x
    x = 112,766,359,150,377,664/387,240,174.11
  6. Step 6: Final answer
    x = 291,205,217.57

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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.