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Finding the Fourth Proportional to 9,832,987,251.20, 14,749,480,876.80 and 9,832,987,251.20

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Solution

The fourth proportional to 9,832,987,251.20, 14,749,480,876.80 and 9,832,987,251.20 is: 14,749,480,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,832,987,251.20 : 14,749,480,876.80 = 9,832,987,251.20 : x
  2. Step 2: Convert to fraction form
    9,832,987,251.20/14,749,480,876.80 = 9,832,987,251.20/x
  3. Step 3: Cross multiply
    9,832,987,251.20x = 14,749,480,876.80 × 9,832,987,251.20
  4. Step 4: Simplify right side
    9,832,987,251.20x = 145,031,457,423,392,604,160
  5. Step 5: Solve for x
    x = 145,031,457,423,392,604,160/9,832,987,251.20
  6. Step 6: Final answer
    x = 14,749,480,876.80

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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.