Home / 512,442,029.70-768,663,044.55-488,633,472.90

Finding the Fourth Proportional to 512,442,029.70, 768,663,044.55 and 488,633,472.90

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Solution

The fourth proportional to 512,442,029.70, 768,663,044.55 and 488,633,472.90 is: 732,950,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,442,029.70 : 768,663,044.55 = 488,633,472.90 : x
  2. Step 2: Convert to fraction form
    512,442,029.70/768,663,044.55 = 488,633,472.90/x
  3. Step 3: Cross multiply
    512,442,029.70x = 768,663,044.55 × 488,633,472.90
  4. Step 4: Simplify right side
    512,442,029.70x = 375,594,492,948,353,856
  5. Step 5: Solve for x
    x = 375,594,492,948,353,856/512,442,029.70
  6. Step 6: Final answer
    x = 732,950,209.35

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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.