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Finding the Fourth Proportional to 1,241,180,455,728, 1,861,770,683,591.80 and 1,241,180,455,728

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Solution

The fourth proportional to 1,241,180,455,728, 1,861,770,683,591.80 and 1,241,180,455,728 is: 1,861,770,683,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,180,455,728 : 1,861,770,683,591.80 = 1,241,180,455,728 : x
  2. Step 2: Convert to fraction form
    1,241,180,455,728/1,861,770,683,591.80 = 1,241,180,455,728/x
  3. Step 3: Cross multiply
    1,241,180,455,728x = 1,861,770,683,591.80 × 1,241,180,455,728
  4. Step 4: Simplify right side
    1,241,180,455,728x = 2,310,793,385,521,500,380,987,392
  5. Step 5: Solve for x
    x = 2,310,793,385,521,500,380,987,392/1,241,180,455,728
  6. Step 6: Final answer
    x = 1,861,770,683,591.80

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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.