Home / 417,489,440.76-576,119,644.34-231,862,413.87

Finding the Fourth Proportional to 417,489,440.76, 576,119,644.34 and 231,862,413.87

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Solution

The fourth proportional to 417,489,440.76, 576,119,644.34 and 231,862,413.87 is: 319,961,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,489,440.76 : 576,119,644.34 = 231,862,413.87 : x
  2. Step 2: Convert to fraction form
    417,489,440.76/576,119,644.34 = 231,862,413.87/x
  3. Step 3: Cross multiply
    417,489,440.76x = 576,119,644.34 × 231,862,413.87
  4. Step 4: Simplify right side
    417,489,440.76x = 133,580,491,413,438,976
  5. Step 5: Solve for x
    x = 133,580,491,413,438,976/417,489,440.76
  6. Step 6: Final answer
    x = 319,961,365.18

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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.