Home / 542,781,324.27-814,516,345.86-231,891,282.49

Finding the Fourth Proportional to 542,781,324.27, 814,516,345.86 and 231,891,282.49

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Solution

The fourth proportional to 542,781,324.27, 814,516,345.86 and 231,891,282.49 is: 347,984,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,781,324.27 : 814,516,345.86 = 231,891,282.49 : x
  2. Step 2: Convert to fraction form
    542,781,324.27/814,516,345.86 = 231,891,282.49/x
  3. Step 3: Cross multiply
    542,781,324.27x = 814,516,345.86 × 231,891,282.49
  4. Step 4: Simplify right side
    542,781,324.27x = 188,879,240,049,166,912
  5. Step 5: Solve for x
    x = 188,879,240,049,166,912/542,781,324.27
  6. Step 6: Final answer
    x = 347,984,043.67

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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.