Home / 639,488,184.27-882,125,408.88-384,992,522.04

Finding the Fourth Proportional to 639,488,184.27, 882,125,408.88 and 384,992,522.04

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Solution

The fourth proportional to 639,488,184.27, 882,125,408.88 and 384,992,522.04 is: 531,067,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,488,184.27 : 882,125,408.88 = 384,992,522.04 : x
  2. Step 2: Convert to fraction form
    639,488,184.27/882,125,408.88 = 384,992,522.04/x
  3. Step 3: Cross multiply
    639,488,184.27x = 882,125,408.88 × 384,992,522.04
  4. Step 4: Simplify right side
    639,488,184.27x = 339,611,685,920,277,440
  5. Step 5: Solve for x
    x = 339,611,685,920,277,440/639,488,184.27
  6. Step 6: Final answer
    x = 531,067,960.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.