Home / 18,455,543,626.32-25,472,747,418.12-11,220,053,655.78

Finding the Fourth Proportional to 18,455,543,626.32, 25,472,747,418.12 and 11,220,053,655.78

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Solution

The fourth proportional to 18,455,543,626.32, 25,472,747,418.12 and 11,220,053,655.78 is: 15,486,164,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,543,626.32 : 25,472,747,418.12 = 11,220,053,655.78 : x
  2. Step 2: Convert to fraction form
    18,455,543,626.32/25,472,747,418.12 = 11,220,053,655.78/x
  3. Step 3: Cross multiply
    18,455,543,626.32x = 25,472,747,418.12 × 11,220,053,655.78
  4. Step 4: Simplify right side
    18,455,543,626.32x = 285,805,592,791,437,869,056
  5. Step 5: Solve for x
    x = 285,805,592,791,437,869,056/18,455,543,626.32
  6. Step 6: Final answer
    x = 15,486,164,947.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.