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Finding the Fourth Proportional to 3,983,072,117.20, 5,974,608,175.80 and 3,983,072,117.20

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Solution

The fourth proportional to 3,983,072,117.20, 5,974,608,175.80 and 3,983,072,117.20 is: 5,974,608,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983,072,117.20 : 5,974,608,175.80 = 3,983,072,117.20 : x
  2. Step 2: Convert to fraction form
    3,983,072,117.20/5,974,608,175.80 = 3,983,072,117.20/x
  3. Step 3: Cross multiply
    3,983,072,117.20x = 5,974,608,175.80 × 3,983,072,117.20
  4. Step 4: Simplify right side
    3,983,072,117.20x = 23,797,295,236,224,135,168
  5. Step 5: Solve for x
    x = 23,797,295,236,224,135,168/3,983,072,117.20
  6. Step 6: Final answer
    x = 5,974,608,175.80

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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.