Home / 299,431,557.29-413,231,413.92-180,391,622.73

Finding the Fourth Proportional to 299,431,557.29, 413,231,413.92 and 180,391,622.73

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Solution

The fourth proportional to 299,431,557.29, 413,231,413.92 and 180,391,622.73 is: 248,949,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,431,557.29 : 413,231,413.92 = 180,391,622.73 : x
  2. Step 2: Convert to fraction form
    299,431,557.29/413,231,413.92 = 180,391,622.73/x
  3. Step 3: Cross multiply
    299,431,557.29x = 413,231,413.92 × 180,391,622.73
  4. Step 4: Simplify right side
    299,431,557.29x = 74,543,485,317,815,024
  5. Step 5: Solve for x
    x = 74,543,485,317,815,024/299,431,557.29
  6. Step 6: Final answer
    x = 248,949,997.09

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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.