Home / 360,541,371.65-541,430,959.43-221,299,471.44

Finding the Fourth Proportional to 360,541,371.65, 541,430,959.43 and 221,299,471.44

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Solution

The fourth proportional to 360,541,371.65, 541,430,959.43 and 221,299,471.44 is: 332,329,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,541,371.65 : 541,430,959.43 = 221,299,471.44 : x
  2. Step 2: Convert to fraction form
    360,541,371.65/541,430,959.43 = 221,299,471.44/x
  3. Step 3: Cross multiply
    360,541,371.65x = 541,430,959.43 × 221,299,471.44
  4. Step 4: Simplify right side
    360,541,371.65x = 119,818,385,143,664,336
  5. Step 5: Solve for x
    x = 119,818,385,143,664,336/360,541,371.65
  6. Step 6: Final answer
    x = 332,329,087.77

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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.