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Finding the Fourth Proportional to 12,383,865,850.60, 17,386,389,793.40 and 12,383,865,850.60

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Solution

The fourth proportional to 12,383,865,850.60, 17,386,389,793.40 and 12,383,865,850.60 is: 17,386,389,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,865,850.60 : 17,386,389,793.40 = 12,383,865,850.60 : x
  2. Step 2: Convert to fraction form
    12,383,865,850.60/17,386,389,793.40 = 12,383,865,850.60/x
  3. Step 3: Cross multiply
    12,383,865,850.60x = 17,386,389,793.40 × 12,383,865,850.60
  4. Step 4: Simplify right side
    12,383,865,850.60x = 215,310,718,827,706,679,296
  5. Step 5: Solve for x
    x = 215,310,718,827,706,679,296/12,383,865,850.60
  6. Step 6: Final answer
    x = 17,386,389,793.40

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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.