Home / 506,440,982.88-698,873,542.56-280,390,038.48

Finding the Fourth Proportional to 506,440,982.88, 698,873,542.56 and 280,390,038.48

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Solution

The fourth proportional to 506,440,982.88, 698,873,542.56 and 280,390,038.48 is: 386,929,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,440,982.88 : 698,873,542.56 = 280,390,038.48 : x
  2. Step 2: Convert to fraction form
    506,440,982.88/698,873,542.56 = 280,390,038.48/x
  3. Step 3: Cross multiply
    506,440,982.88x = 698,873,542.56 × 280,390,038.48
  4. Step 4: Simplify right side
    506,440,982.88x = 195,957,179,491,052,320
  5. Step 5: Solve for x
    x = 195,957,179,491,052,320/506,440,982.88
  6. Step 6: Final answer
    x = 386,929,940.73

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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.