Home / 323,678,360.20-485,517,540.30-286,264,913.80

Finding the Fourth Proportional to 323,678,360.20, 485,517,540.30 and 286,264,913.80

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Solution

The fourth proportional to 323,678,360.20, 485,517,540.30 and 286,264,913.80 is: 429,397,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,678,360.20 : 485,517,540.30 = 286,264,913.80 : x
  2. Step 2: Convert to fraction form
    323,678,360.20/485,517,540.30 = 286,264,913.80/x
  3. Step 3: Cross multiply
    323,678,360.20x = 485,517,540.30 × 286,264,913.80
  4. Step 4: Simplify right side
    323,678,360.20x = 138,986,636,822,367,536
  5. Step 5: Solve for x
    x = 138,986,636,822,367,536/323,678,360.20
  6. Step 6: Final answer
    x = 429,397,370.70

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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.