Home / 284,361,446.10-426,542,169.15-198,197,145.30

Finding the Fourth Proportional to 284,361,446.10, 426,542,169.15 and 198,197,145.30

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Solution

The fourth proportional to 284,361,446.10, 426,542,169.15 and 198,197,145.30 is: 297,295,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,361,446.10 : 426,542,169.15 = 198,197,145.30 : x
  2. Step 2: Convert to fraction form
    284,361,446.10/426,542,169.15 = 198,197,145.30/x
  3. Step 3: Cross multiply
    284,361,446.10x = 426,542,169.15 × 198,197,145.30
  4. Step 4: Simplify right side
    284,361,446.10x = 84,539,440,275,599,728
  5. Step 5: Solve for x
    x = 84,539,440,275,599,728/284,361,446.10
  6. Step 6: Final answer
    x = 297,295,717.95

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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.