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Finding the Fourth Proportional to 1,987,488,003.53, 2,981,232,005.29 and 1,987,488,003.53

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Solution

The fourth proportional to 1,987,488,003.53, 2,981,232,005.29 and 1,987,488,003.53 is: 2,981,232,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,488,003.53 : 2,981,232,005.29 = 1,987,488,003.53 : x
  2. Step 2: Convert to fraction form
    1,987,488,003.53/2,981,232,005.29 = 1,987,488,003.53/x
  3. Step 3: Cross multiply
    1,987,488,003.53x = 2,981,232,005.29 × 1,987,488,003.53
  4. Step 4: Simplify right side
    1,987,488,003.53x = 5,925,162,846,233,686,016
  5. Step 5: Solve for x
    x = 5,925,162,846,233,686,016/1,987,488,003.53
  6. Step 6: Final answer
    x = 2,981,232,005.29

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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.