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Finding the Fourth Proportional to 12,442,936,735.60, 18,664,405,103.40 and 12,442,936,735.60

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Solution

The fourth proportional to 12,442,936,735.60, 18,664,405,103.40 and 12,442,936,735.60 is: 18,664,405,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,936,735.60 : 18,664,405,103.40 = 12,442,936,735.60 : x
  2. Step 2: Convert to fraction form
    12,442,936,735.60/18,664,405,103.40 = 12,442,936,735.60/x
  3. Step 3: Cross multiply
    12,442,936,735.60x = 18,664,405,103.40 × 12,442,936,735.60
  4. Step 4: Simplify right side
    12,442,936,735.60x = 232,240,011,909,216,010,240
  5. Step 5: Solve for x
    x = 232,240,011,909,216,010,240/12,442,936,735.60
  6. Step 6: Final answer
    x = 18,664,405,103.40

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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.