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Finding the Fourth Proportional to 270,668,749,609.85, 406,003,124,414.78 and 270,668,749,609.85

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Solution

The fourth proportional to 270,668,749,609.85, 406,003,124,414.78 and 270,668,749,609.85 is: 406,003,124,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,668,749,609.85 : 406,003,124,414.78 = 270,668,749,609.85 : x
  2. Step 2: Convert to fraction form
    270,668,749,609.85/406,003,124,414.78 = 270,668,749,609.85/x
  3. Step 3: Cross multiply
    270,668,749,609.85x = 406,003,124,414.78 × 270,668,749,609.85
  4. Step 4: Simplify right side
    270,668,749,609.85x = 109,892,358,023,040,869,597,184
  5. Step 5: Solve for x
    x = 109,892,358,023,040,869,597,184/270,668,749,609.85
  6. Step 6: Final answer
    x = 406,003,124,414.78

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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.