Home / 701,313,768.84-967,814,134.74-388,061,185.80

Finding the Fourth Proportional to 701,313,768.84, 967,814,134.74 and 388,061,185.80

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Solution

The fourth proportional to 701,313,768.84, 967,814,134.74 and 388,061,185.80 is: 535,525,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,313,768.84 : 967,814,134.74 = 388,061,185.80 : x
  2. Step 2: Convert to fraction form
    701,313,768.84/967,814,134.74 = 388,061,185.80/x
  3. Step 3: Cross multiply
    701,313,768.84x = 967,814,134.74 × 388,061,185.80
  4. Step 4: Simplify right side
    701,313,768.84x = 375,571,100,761,205,376
  5. Step 5: Solve for x
    x = 375,571,100,761,205,376/701,313,768.84
  6. Step 6: Final answer
    x = 535,525,063.74

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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.