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Finding the Fourth Proportional to 1,260,092,414.80, 1,889,571,751.80 and 483,479,966.80

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Solution

The fourth proportional to 1,260,092,414.80, 1,889,571,751.80 and 483,479,966.80 is: 725,002,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,092,414.80 : 1,889,571,751.80 = 483,479,966.80 : x
  2. Step 2: Convert to fraction form
    1,260,092,414.80/1,889,571,751.80 = 483,479,966.80/x
  3. Step 3: Cross multiply
    1,260,092,414.80x = 1,889,571,751.80 × 483,479,966.80
  4. Step 4: Simplify right side
    1,260,092,414.80x = 913,570,087,826,481,792
  5. Step 5: Solve for x
    x = 913,570,087,826,481,792/1,260,092,414.80
  6. Step 6: Final answer
    x = 725,002,449.90

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Half scale
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Double scale
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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.