Home / 21,350,981,344.12-32,003,891,720.93-7,896,618,767.36

Finding the Fourth Proportional to 21,350,981,344.12, 32,003,891,720.93 and 7,896,618,767.36

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Solution

The fourth proportional to 21,350,981,344.12, 32,003,891,720.93 and 7,896,618,767.36 is: 11,836,576,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350,981,344.12 : 32,003,891,720.93 = 7,896,618,767.36 : x
  2. Step 2: Convert to fraction form
    21,350,981,344.12/32,003,891,720.93 = 7,896,618,767.36/x
  3. Step 3: Cross multiply
    21,350,981,344.12x = 32,003,891,720.93 × 7,896,618,767.36
  4. Step 4: Simplify right side
    21,350,981,344.12x = 252,722,531,992,156,864,512
  5. Step 5: Solve for x
    x = 252,722,531,992,156,864,512/21,350,981,344.12
  6. Step 6: Final answer
    x = 11,836,576,872.93

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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.