Home / 323,735,587.20-485,603,380.80-289,723,363.20

Finding the Fourth Proportional to 323,735,587.20, 485,603,380.80 and 289,723,363.20

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Solution

The fourth proportional to 323,735,587.20, 485,603,380.80 and 289,723,363.20 is: 434,585,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,735,587.20 : 485,603,380.80 = 289,723,363.20 : x
  2. Step 2: Convert to fraction form
    323,735,587.20/485,603,380.80 = 289,723,363.20/x
  3. Step 3: Cross multiply
    323,735,587.20x = 485,603,380.80 × 289,723,363.20
  4. Step 4: Simplify right side
    323,735,587.20x = 140,690,644,666,666,304
  5. Step 5: Solve for x
    x = 140,690,644,666,666,304/323,735,587.20
  6. Step 6: Final answer
    x = 434,585,044.80

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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.