Home / 3,543,475,642.15-5,313,982,586.82-1,971,981,116.77

Finding the Fourth Proportional to 3,543,475,642.15, 5,313,982,586.82 and 1,971,981,116.77

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Solution

The fourth proportional to 3,543,475,642.15, 5,313,982,586.82 and 1,971,981,116.77 is: 2,957,286,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,475,642.15 : 5,313,982,586.82 = 1,971,981,116.77 : x
  2. Step 2: Convert to fraction form
    3,543,475,642.15/5,313,982,586.82 = 1,971,981,116.77/x
  3. Step 3: Cross multiply
    3,543,475,642.15x = 5,313,982,586.82 × 1,971,981,116.77
  4. Step 4: Simplify right side
    3,543,475,642.15x = 10,479,073,316,053,637,120
  5. Step 5: Solve for x
    x = 10,479,073,316,053,637,120/3,543,475,642.15
  6. Step 6: Final answer
    x = 2,957,286,679.61

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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.