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Finding the Fourth Proportional to 3,960,657,030.70, 5,940,985,546.05 and 3,960,657,030.70

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Solution

The fourth proportional to 3,960,657,030.70, 5,940,985,546.05 and 3,960,657,030.70 is: 5,940,985,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,657,030.70 : 5,940,985,546.05 = 3,960,657,030.70 : x
  2. Step 2: Convert to fraction form
    3,960,657,030.70/5,940,985,546.05 = 3,960,657,030.70/x
  3. Step 3: Cross multiply
    3,960,657,030.70x = 5,940,985,546.05 × 3,960,657,030.70
  4. Step 4: Simplify right side
    3,960,657,030.70x = 23,530,206,172,250,009,600
  5. Step 5: Solve for x
    x = 23,530,206,172,250,009,600/3,960,657,030.70
  6. Step 6: Final answer
    x = 5,940,985,546.05

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Double scale
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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.