Home / 327,000,628.80-489,945,688.20-197,335,780.20

Finding the Fourth Proportional to 327,000,628.80, 489,945,688.20 and 197,335,780.20

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Solution

The fourth proportional to 327,000,628.80, 489,945,688.20 and 197,335,780.20 is: 295,668,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,000,628.80 : 489,945,688.20 = 197,335,780.20 : x
  2. Step 2: Convert to fraction form
    327,000,628.80/489,945,688.20 = 197,335,780.20/x
  3. Step 3: Cross multiply
    327,000,628.80x = 489,945,688.20 × 197,335,780.20
  4. Step 4: Simplify right side
    327,000,628.80x = 96,683,814,636,572,928
  5. Step 5: Solve for x
    x = 96,683,814,636,572,928/327,000,628.80
  6. Step 6: Final answer
    x = 295,668,589.36

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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.