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Finding the Fourth Proportional to 487,589,463,011.70, 731,384,194,517.55 and 487,589,463,011.70

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Solution

The fourth proportional to 487,589,463,011.70, 731,384,194,517.55 and 487,589,463,011.70 is: 731,384,194,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,589,463,011.70 : 731,384,194,517.55 = 487,589,463,011.70 : x
  2. Step 2: Convert to fraction form
    487,589,463,011.70/731,384,194,517.55 = 487,589,463,011.70/x
  3. Step 3: Cross multiply
    487,589,463,011.70x = 731,384,194,517.55 × 487,589,463,011.70
  4. Step 4: Simplify right side
    487,589,463,011.70x = 356,615,226,660,056,966,627,328
  5. Step 5: Solve for x
    x = 356,615,226,660,056,966,627,328/487,589,463,011.70
  6. Step 6: Final answer
    x = 731,384,194,517.55

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Double scale
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Similar ratio
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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.