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Finding the Fourth Proportional to 86,273,397,951.20, 129,216,605,163.60 and 86,273,397,951.20

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Solution

The fourth proportional to 86,273,397,951.20, 129,216,605,163.60 and 86,273,397,951.20 is: 129,216,605,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,273,397,951.20 : 129,216,605,163.60 = 86,273,397,951.20 : x
  2. Step 2: Convert to fraction form
    86,273,397,951.20/129,216,605,163.60 = 86,273,397,951.20/x
  3. Step 3: Cross multiply
    86,273,397,951.20x = 129,216,605,163.60 × 86,273,397,951.20
  4. Step 4: Simplify right side
    86,273,397,951.20x = 11,147,955,599,182,347,108,352
  5. Step 5: Solve for x
    x = 11,147,955,599,182,347,108,352/86,273,397,951.20
  6. Step 6: Final answer
    x = 129,216,605,163.60

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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.