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Finding the Fourth Proportional to 18,372,486,003.55, 27,558,729,005.33 and 18,372,486,003.55

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Solution

The fourth proportional to 18,372,486,003.55, 27,558,729,005.33 and 18,372,486,003.55 is: 27,558,729,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,486,003.55 : 27,558,729,005.33 = 18,372,486,003.55 : x
  2. Step 2: Convert to fraction form
    18,372,486,003.55/27,558,729,005.33 = 18,372,486,003.55/x
  3. Step 3: Cross multiply
    18,372,486,003.55x = 27,558,729,005.33 × 18,372,486,003.55
  4. Step 4: Simplify right side
    18,372,486,003.55x = 506,322,362,926,052,868,096
  5. Step 5: Solve for x
    x = 506,322,362,926,052,868,096/18,372,486,003.55
  6. Step 6: Final answer
    x = 27,558,729,005.33

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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.