Home / 512,442,028.20-768,663,042.30-488,633,471.40

Finding the Fourth Proportional to 512,442,028.20, 768,663,042.30 and 488,633,471.40

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Solution

The fourth proportional to 512,442,028.20, 768,663,042.30 and 488,633,471.40 is: 732,950,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,442,028.20 : 768,663,042.30 = 488,633,471.40 : x
  2. Step 2: Convert to fraction form
    512,442,028.20/768,663,042.30 = 488,633,471.40/x
  3. Step 3: Cross multiply
    512,442,028.20x = 768,663,042.30 × 488,633,471.40
  4. Step 4: Simplify right side
    512,442,028.20x = 375,594,490,695,934,016
  5. Step 5: Solve for x
    x = 375,594,490,695,934,016/512,442,028.20
  6. Step 6: Final answer
    x = 732,950,207.10

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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.