Home / 661,472,901.53-992,209,351.92-246,982,092.38

Finding the Fourth Proportional to 661,472,901.53, 992,209,351.92 and 246,982,092.38

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Solution

The fourth proportional to 661,472,901.53, 992,209,351.92 and 246,982,092.38 is: 370,473,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,472,901.53 : 992,209,351.92 = 246,982,092.38 : x
  2. Step 2: Convert to fraction form
    661,472,901.53/992,209,351.92 = 246,982,092.38/x
  3. Step 3: Cross multiply
    661,472,901.53x = 992,209,351.92 × 246,982,092.38
  4. Step 4: Simplify right side
    661,472,901.53x = 245,057,941,816,205,344
  5. Step 5: Solve for x
    x = 245,057,941,816,205,344/661,472,901.53
  6. Step 6: Final answer
    x = 370,473,138.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.