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Finding the Fourth Proportional to 84,491,424,005.80, 126,737,136,008.70 and 84,491,424,005.80

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Solution

The fourth proportional to 84,491,424,005.80, 126,737,136,008.70 and 84,491,424,005.80 is: 126,737,136,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,491,424,005.80 : 126,737,136,008.70 = 84,491,424,005.80 : x
  2. Step 2: Convert to fraction form
    84,491,424,005.80/126,737,136,008.70 = 84,491,424,005.80/x
  3. Step 3: Cross multiply
    84,491,424,005.80x = 126,737,136,008.70 × 84,491,424,005.80
  4. Step 4: Simplify right side
    84,491,424,005.80x = 10,708,201,095,791,814,639,616
  5. Step 5: Solve for x
    x = 10,708,201,095,791,814,639,616/84,491,424,005.80
  6. Step 6: Final answer
    x = 126,737,136,008.70

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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.