Home / 3,619,170,187.20-5,428,755,280.80-2,241,675,115.20

Finding the Fourth Proportional to 3,619,170,187.20, 5,428,755,280.80 and 2,241,675,115.20

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Solution

The fourth proportional to 3,619,170,187.20, 5,428,755,280.80 and 2,241,675,115.20 is: 3,362,512,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,170,187.20 : 5,428,755,280.80 = 2,241,675,115.20 : x
  2. Step 2: Convert to fraction form
    3,619,170,187.20/5,428,755,280.80 = 2,241,675,115.20/x
  3. Step 3: Cross multiply
    3,619,170,187.20x = 5,428,755,280.80 × 2,241,675,115.20
  4. Step 4: Simplify right side
    3,619,170,187.20x = 12,169,505,619,479,947,264
  5. Step 5: Solve for x
    x = 12,169,505,619,479,947,264/3,619,170,187.20
  6. Step 6: Final answer
    x = 3,362,512,672.80

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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.