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Finding the Fourth Proportional to 3,188,103,625,817, 4,782,155,438,725.30 and 3,188,103,625,817

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Solution

The fourth proportional to 3,188,103,625,817, 4,782,155,438,725.30 and 3,188,103,625,817 is: 4,782,155,438,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,103,625,817 : 4,782,155,438,725.30 = 3,188,103,625,817 : x
  2. Step 2: Convert to fraction form
    3,188,103,625,817/4,782,155,438,725.30 = 3,188,103,625,817/x
  3. Step 3: Cross multiply
    3,188,103,625,817x = 4,782,155,438,725.30 × 3,188,103,625,817
  4. Step 4: Simplify right side
    3,188,103,625,817x = 15,246,007,093,420,615,599,652,864
  5. Step 5: Solve for x
    x = 15,246,007,093,420,615,599,652,864/3,188,103,625,817
  6. Step 6: Final answer
    x = 4,782,155,438,725.30

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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.