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Finding the Fourth Proportional to 7,966,843,846.20, 11,169,907,252.20 and 7,966,843,846.20

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Solution

The fourth proportional to 7,966,843,846.20, 11,169,907,252.20 and 7,966,843,846.20 is: 11,169,907,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966,843,846.20 : 11,169,907,252.20 = 7,966,843,846.20 : x
  2. Step 2: Convert to fraction form
    7,966,843,846.20/11,169,907,252.20 = 7,966,843,846.20/x
  3. Step 3: Cross multiply
    7,966,843,846.20x = 11,169,907,252.20 × 7,966,843,846.20
  4. Step 4: Simplify right side
    7,966,843,846.20x = 88,988,906,854,814,318,592
  5. Step 5: Solve for x
    x = 88,988,906,854,814,318,592/7,966,843,846.20
  6. Step 6: Final answer
    x = 11,169,907,252.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.