Home / 713,481,847,713.50-984,625,857,991.25-388,342,198,761.78

Finding the Fourth Proportional to 713,481,847,713.50, 984,625,857,991.25 and 388,342,198,761.78

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Solution

The fourth proportional to 713,481,847,713.50, 984,625,857,991.25 and 388,342,198,761.78 is: 535,923,614,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,481,847,713.50 : 984,625,857,991.25 = 388,342,198,761.78 : x
  2. Step 2: Convert to fraction form
    713,481,847,713.50/984,625,857,991.25 = 388,342,198,761.78/x
  3. Step 3: Cross multiply
    713,481,847,713.50x = 984,625,857,991.25 × 388,342,198,761.78
  4. Step 4: Simplify right side
    713,481,847,713.50x = 382,371,770,650,026,225,696,768
  5. Step 5: Solve for x
    x = 382,371,770,650,026,225,696,768/713,481,847,713.50
  6. Step 6: Final answer
    x = 535,923,614,420.49

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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.