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Finding the Fourth Proportional to 2,912,384,190.80, 4,368,576,286.20 and 2,912,384,190.80

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Solution

The fourth proportional to 2,912,384,190.80, 4,368,576,286.20 and 2,912,384,190.80 is: 4,368,576,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,384,190.80 : 4,368,576,286.20 = 2,912,384,190.80 : x
  2. Step 2: Convert to fraction form
    2,912,384,190.80/4,368,576,286.20 = 2,912,384,190.80/x
  3. Step 3: Cross multiply
    2,912,384,190.80x = 4,368,576,286.20 × 2,912,384,190.80
  4. Step 4: Simplify right side
    2,912,384,190.80x = 12,722,972,512,232,656,896
  5. Step 5: Solve for x
    x = 12,722,972,512,232,656,896/2,912,384,190.80
  6. Step 6: Final answer
    x = 4,368,576,286.20

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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.