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Finding the Fourth Proportional to 18,018,367,660.35, 27,027,551,490.53 and 18,018,367,660.35

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Solution

The fourth proportional to 18,018,367,660.35, 27,027,551,490.53 and 18,018,367,660.35 is: 27,027,551,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,367,660.35 : 27,027,551,490.53 = 18,018,367,660.35 : x
  2. Step 2: Convert to fraction form
    18,018,367,660.35/27,027,551,490.53 = 18,018,367,660.35/x
  3. Step 3: Cross multiply
    18,018,367,660.35x = 27,027,551,490.53 × 18,018,367,660.35
  4. Step 4: Simplify right side
    18,018,367,660.35x = 486,992,359,715,320,102,912
  5. Step 5: Solve for x
    x = 486,992,359,715,320,102,912/18,018,367,660.35
  6. Step 6: Final answer
    x = 27,027,551,490.53

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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.