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Finding the Fourth Proportional to 18,198,029,333.30, 27,297,043,999.95 and 18,198,029,333.30

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Solution

The fourth proportional to 18,198,029,333.30, 27,297,043,999.95 and 18,198,029,333.30 is: 27,297,043,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198,029,333.30 : 27,297,043,999.95 = 18,198,029,333.30 : x
  2. Step 2: Convert to fraction form
    18,198,029,333.30/27,297,043,999.95 = 18,198,029,333.30/x
  3. Step 3: Cross multiply
    18,198,029,333.30x = 27,297,043,999.95 × 18,198,029,333.30
  4. Step 4: Simplify right side
    18,198,029,333.30x = 496,752,407,423,470,862,336
  5. Step 5: Solve for x
    x = 496,752,407,423,470,862,336/18,198,029,333.30
  6. Step 6: Final answer
    x = 27,297,043,999.95

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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.