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Finding the Fourth Proportional to 3,960,403,365.60, 5,940,605,048.40 and 3,960,403,365.60

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Solution

The fourth proportional to 3,960,403,365.60, 5,940,605,048.40 and 3,960,403,365.60 is: 5,940,605,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,403,365.60 : 5,940,605,048.40 = 3,960,403,365.60 : x
  2. Step 2: Convert to fraction form
    3,960,403,365.60/5,940,605,048.40 = 3,960,403,365.60/x
  3. Step 3: Cross multiply
    3,960,403,365.60x = 5,940,605,048.40 × 3,960,403,365.60
  4. Step 4: Simplify right side
    3,960,403,365.60x = 23,527,192,227,383,709,696
  5. Step 5: Solve for x
    x = 23,527,192,227,383,709,696/3,960,403,365.60
  6. Step 6: Final answer
    x = 5,940,605,048.40

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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.