Home / 701,313,789.47-967,814,163.20-388,061,206.43

Finding the Fourth Proportional to 701,313,789.47, 967,814,163.20 and 388,061,206.43

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Solution

The fourth proportional to 701,313,789.47, 967,814,163.20 and 388,061,206.43 is: 535,525,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,313,789.47 : 967,814,163.20 = 388,061,206.43 : x
  2. Step 2: Convert to fraction form
    701,313,789.47/967,814,163.20 = 388,061,206.43/x
  3. Step 3: Cross multiply
    701,313,789.47x = 967,814,163.20 × 388,061,206.43
  4. Step 4: Simplify right side
    701,313,789.47x = 375,571,131,767,563,968
  5. Step 5: Solve for x
    x = 375,571,131,767,563,968/701,313,789.47
  6. Step 6: Final answer
    x = 535,525,092.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.