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Finding the Fourth Proportional to 1,136,693,500.85, 1,587,496,696.30 and 1,136,693,500.85

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Solution

The fourth proportional to 1,136,693,500.85, 1,587,496,696.30 and 1,136,693,500.85 is: 1,587,496,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,693,500.85 : 1,587,496,696.30 = 1,136,693,500.85 : x
  2. Step 2: Convert to fraction form
    1,136,693,500.85/1,587,496,696.30 = 1,136,693,500.85/x
  3. Step 3: Cross multiply
    1,136,693,500.85x = 1,587,496,696.30 × 1,136,693,500.85
  4. Step 4: Simplify right side
    1,136,693,500.85x = 1,804,497,177,305,056,000
  5. Step 5: Solve for x
    x = 1,804,497,177,305,056,000/1,136,693,500.85
  6. Step 6: Final answer
    x = 1,587,496,696.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.