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Finding the Fourth Proportional to 220,022,401.20, 330,033,601.80 and 220,022,401.20

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Solution

The fourth proportional to 220,022,401.20, 330,033,601.80 and 220,022,401.20 is: 330,033,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,022,401.20 : 330,033,601.80 = 220,022,401.20 : x
  2. Step 2: Convert to fraction form
    220,022,401.20/330,033,601.80 = 220,022,401.20/x
  3. Step 3: Cross multiply
    220,022,401.20x = 330,033,601.80 × 220,022,401.20
  4. Step 4: Simplify right side
    220,022,401.20x = 72,614,785,544,720,640
  5. Step 5: Solve for x
    x = 72,614,785,544,720,640/220,022,401.20
  6. Step 6: Final answer
    x = 330,033,601.80

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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.