Home / 1,039,753,013.20-1,560,226,716.60-393,984,206.80

Finding the Fourth Proportional to 1,039,753,013.20, 1,560,226,716.60 and 393,984,206.80

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Solution

The fourth proportional to 1,039,753,013.20, 1,560,226,716.60 and 393,984,206.80 is: 591,202,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,753,013.20 : 1,560,226,716.60 = 393,984,206.80 : x
  2. Step 2: Convert to fraction form
    1,039,753,013.20/1,560,226,716.60 = 393,984,206.80/x
  3. Step 3: Cross multiply
    1,039,753,013.20x = 1,560,226,716.60 × 393,984,206.80
  4. Step 4: Simplify right side
    1,039,753,013.20x = 614,704,685,367,819,392
  5. Step 5: Solve for x
    x = 614,704,685,367,819,392/1,039,753,013.20
  6. Step 6: Final answer
    x = 591,202,600.58

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1.5x scale

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.