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Finding the Fourth Proportional to 13,463,172,012.70, 20,194,758,019.05 and 13,463,172,012.70

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Solution

The fourth proportional to 13,463,172,012.70, 20,194,758,019.05 and 13,463,172,012.70 is: 20,194,758,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463,172,012.70 : 20,194,758,019.05 = 13,463,172,012.70 : x
  2. Step 2: Convert to fraction form
    13,463,172,012.70/20,194,758,019.05 = 13,463,172,012.70/x
  3. Step 3: Cross multiply
    13,463,172,012.70x = 20,194,758,019.05 × 13,463,172,012.70
  4. Step 4: Simplify right side
    13,463,172,012.70x = 271,885,500,965,322,850,304
  5. Step 5: Solve for x
    x = 271,885,500,965,322,850,304/13,463,172,012.70
  6. Step 6: Final answer
    x = 20,194,758,019.05

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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.