Home / 701,134,728-967,594,413.96-387,863,540.88

Finding the Fourth Proportional to 701,134,728, 967,594,413.96 and 387,863,540.88

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Solution

The fourth proportional to 701,134,728, 967,594,413.96 and 387,863,540.88 is: 535,267,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,134,728 : 967,594,413.96 = 387,863,540.88 : x
  2. Step 2: Convert to fraction form
    701,134,728/967,594,413.96 = 387,863,540.88/x
  3. Step 3: Cross multiply
    701,134,728x = 967,594,413.96 × 387,863,540.88
  4. Step 4: Simplify right side
    701,134,728x = 375,294,595,534,234,112
  5. Step 5: Solve for x
    x = 375,294,595,534,234,112/701,134,728
  6. Step 6: Final answer
    x = 535,267,446.54

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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.