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Finding the Fourth Proportional to 3,669,786,109.79, 5,504,679,164.68 and 3,669,786,109.79

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Solution

The fourth proportional to 3,669,786,109.79, 5,504,679,164.68 and 3,669,786,109.79 is: 5,504,679,164.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,786,109.79 : 5,504,679,164.68 = 3,669,786,109.79 : x
  2. Step 2: Convert to fraction form
    3,669,786,109.79/5,504,679,164.68 = 3,669,786,109.79/x
  3. Step 3: Cross multiply
    3,669,786,109.79x = 5,504,679,164.68 × 3,669,786,109.79
  4. Step 4: Simplify right side
    3,669,786,109.79x = 20,200,995,137,393,086,464
  5. Step 5: Solve for x
    x = 20,200,995,137,393,086,464/3,669,786,109.79
  6. Step 6: Final answer
    x = 5,504,679,164.68

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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.