Home / 481,191,413.82-664,045,426.53-261,174,839.82

Finding the Fourth Proportional to 481,191,413.82, 664,045,426.53 and 261,174,839.82

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Solution

The fourth proportional to 481,191,413.82, 664,045,426.53 and 261,174,839.82 is: 360,421,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,191,413.82 : 664,045,426.53 = 261,174,839.82 : x
  2. Step 2: Convert to fraction form
    481,191,413.82/664,045,426.53 = 261,174,839.82/x
  3. Step 3: Cross multiply
    481,191,413.82x = 664,045,426.53 × 261,174,839.82
  4. Step 4: Simplify right side
    481,191,413.82x = 173,431,957,907,176,320
  5. Step 5: Solve for x
    x = 173,431,957,907,176,320/481,191,413.82
  6. Step 6: Final answer
    x = 360,421,971.23

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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.