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Finding the Fourth Proportional to 100,203,493,248.45, 150,305,239,872.67 and 100,203,493,248.45

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Solution

The fourth proportional to 100,203,493,248.45, 150,305,239,872.67 and 100,203,493,248.45 is: 150,305,239,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,203,493,248.45 : 150,305,239,872.67 = 100,203,493,248.45 : x
  2. Step 2: Convert to fraction form
    100,203,493,248.45/150,305,239,872.67 = 100,203,493,248.45/x
  3. Step 3: Cross multiply
    100,203,493,248.45x = 150,305,239,872.67 × 100,203,493,248.45
  4. Step 4: Simplify right side
    100,203,493,248.45x = 15,061,110,088,787,747,143,680
  5. Step 5: Solve for x
    x = 15,061,110,088,787,747,143,680/100,203,493,248.45
  6. Step 6: Final answer
    x = 150,305,239,872.67

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Double scale
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Similar ratio
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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.