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Finding the Fourth Proportional to 18,170,863,210.60, 27,256,294,815.90 and 18,170,863,210.60

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Solution

The fourth proportional to 18,170,863,210.60, 27,256,294,815.90 and 18,170,863,210.60 is: 27,256,294,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170,863,210.60 : 27,256,294,815.90 = 18,170,863,210.60 : x
  2. Step 2: Convert to fraction form
    18,170,863,210.60/27,256,294,815.90 = 18,170,863,210.60/x
  3. Step 3: Cross multiply
    18,170,863,210.60x = 27,256,294,815.90 × 18,170,863,210.60
  4. Step 4: Simplify right side
    18,170,863,210.60x = 495,270,404,727,504,764,928
  5. Step 5: Solve for x
    x = 495,270,404,727,504,764,928/18,170,863,210.60
  6. Step 6: Final answer
    x = 27,256,294,815.90

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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.