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Finding the Fourth Proportional to 18,162,016,381.20, 27,243,024,571.80 and 18,162,016,381.20

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Solution

The fourth proportional to 18,162,016,381.20, 27,243,024,571.80 and 18,162,016,381.20 is: 27,243,024,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,016,381.20 : 27,243,024,571.80 = 18,162,016,381.20 : x
  2. Step 2: Convert to fraction form
    18,162,016,381.20/27,243,024,571.80 = 18,162,016,381.20/x
  3. Step 3: Cross multiply
    18,162,016,381.20x = 27,243,024,571.80 × 18,162,016,381.20
  4. Step 4: Simplify right side
    18,162,016,381.20x = 494,788,258,546,465,701,888
  5. Step 5: Solve for x
    x = 494,788,258,546,465,701,888/18,162,016,381.20
  6. Step 6: Final answer
    x = 27,243,024,571.80

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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.