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Finding the Fourth Proportional to 235,960,128,004.80, 353,940,192,007.20 and 235,960,128,004.80

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Solution

The fourth proportional to 235,960,128,004.80, 353,940,192,007.20 and 235,960,128,004.80 is: 353,940,192,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,960,128,004.80 : 353,940,192,007.20 = 235,960,128,004.80 : x
  2. Step 2: Convert to fraction form
    235,960,128,004.80/353,940,192,007.20 = 235,960,128,004.80/x
  3. Step 3: Cross multiply
    235,960,128,004.80x = 353,940,192,007.20 × 235,960,128,004.80
  4. Step 4: Simplify right side
    235,960,128,004.80x = 83,515,773,012,062,408,540,160
  5. Step 5: Solve for x
    x = 83,515,773,012,062,408,540,160/235,960,128,004.80
  6. Step 6: Final answer
    x = 353,940,192,007.20

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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.