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Finding the Fourth Proportional to 3,669,786,123.10, 5,504,679,184.67 and 3,669,786,123.10

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Solution

The fourth proportional to 3,669,786,123.10, 5,504,679,184.67 and 3,669,786,123.10 is: 5,504,679,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,786,123.10 : 5,504,679,184.67 = 3,669,786,123.10 : x
  2. Step 2: Convert to fraction form
    3,669,786,123.10/5,504,679,184.67 = 3,669,786,123.10/x
  3. Step 3: Cross multiply
    3,669,786,123.10x = 5,504,679,184.67 × 3,669,786,123.10
  4. Step 4: Simplify right side
    3,669,786,123.10x = 20,200,995,284,019,388,416
  5. Step 5: Solve for x
    x = 20,200,995,284,019,388,416/3,669,786,123.10
  6. Step 6: Final answer
    x = 5,504,679,184.67

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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.