Home / 713,481,847,724.04-984,625,858,005.78-388,342,198,772.28

Finding the Fourth Proportional to 713,481,847,724.04, 984,625,858,005.78 and 388,342,198,772.28

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Solution

The fourth proportional to 713,481,847,724.04, 984,625,858,005.78 and 388,342,198,772.28 is: 535,923,614,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,481,847,724.04 : 984,625,858,005.78 = 388,342,198,772.28 : x
  2. Step 2: Convert to fraction form
    713,481,847,724.04/984,625,858,005.78 = 388,342,198,772.28/x
  3. Step 3: Cross multiply
    713,481,847,724.04x = 984,625,858,005.78 × 388,342,198,772.28
  4. Step 4: Simplify right side
    713,481,847,724.04x = 382,371,770,666,007,396,352,000
  5. Step 5: Solve for x
    x = 382,371,770,666,007,396,352,000/713,481,847,724.04
  6. Step 6: Final answer
    x = 535,923,614,434.97

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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.