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Finding the Fourth Proportional to 1,062,883,142.20, 1,594,324,713.30 and 959,571,011.80

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Solution

The fourth proportional to 1,062,883,142.20, 1,594,324,713.30 and 959,571,011.80 is: 1,439,356,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,883,142.20 : 1,594,324,713.30 = 959,571,011.80 : x
  2. Step 2: Convert to fraction form
    1,062,883,142.20/1,594,324,713.30 = 959,571,011.80/x
  3. Step 3: Cross multiply
    1,062,883,142.20x = 1,594,324,713.30 × 959,571,011.80
  4. Step 4: Simplify right side
    1,062,883,142.20x = 1,529,867,778,279,025,920
  5. Step 5: Solve for x
    x = 1,529,867,778,279,025,920/1,062,883,142.20
  6. Step 6: Final answer
    x = 1,439,356,517.70

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Double scale
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Similar ratio
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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.