Home / 2,885,442,869.28-3,981,486,351.36-1,615,217,833.92

Finding the Fourth Proportional to 2,885,442,869.28, 3,981,486,351.36 and 1,615,217,833.92

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Solution

The fourth proportional to 2,885,442,869.28, 3,981,486,351.36 and 1,615,217,833.92 is: 2,228,762,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,442,869.28 : 3,981,486,351.36 = 1,615,217,833.92 : x
  2. Step 2: Convert to fraction form
    2,885,442,869.28/3,981,486,351.36 = 1,615,217,833.92/x
  3. Step 3: Cross multiply
    2,885,442,869.28x = 3,981,486,351.36 × 1,615,217,833.92
  4. Step 4: Simplify right side
    2,885,442,869.28x = 6,430,967,760,225,743,872
  5. Step 5: Solve for x
    x = 6,430,967,760,225,743,872/2,885,442,869.28
  6. Step 6: Final answer
    x = 2,228,762,810.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.