Home / 481,191,413.32-664,045,425.84-261,174,839.32

Finding the Fourth Proportional to 481,191,413.32, 664,045,425.84 and 261,174,839.32

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Solution

The fourth proportional to 481,191,413.32, 664,045,425.84 and 261,174,839.32 is: 360,421,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,191,413.32 : 664,045,425.84 = 261,174,839.32 : x
  2. Step 2: Convert to fraction form
    481,191,413.32/664,045,425.84 = 261,174,839.32/x
  3. Step 3: Cross multiply
    481,191,413.32x = 664,045,425.84 × 261,174,839.32
  4. Step 4: Simplify right side
    481,191,413.32x = 173,431,957,394,942,976
  5. Step 5: Solve for x
    x = 173,431,957,394,942,976/481,191,413.32
  6. Step 6: Final answer
    x = 360,421,970.54

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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.