Home / 464,122,375.20-640,489,204.80-255,294,404.64

Finding the Fourth Proportional to 464,122,375.20, 640,489,204.80 and 255,294,404.64

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Solution

The fourth proportional to 464,122,375.20, 640,489,204.80 and 255,294,404.64 is: 352,306,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,122,375.20 : 640,489,204.80 = 255,294,404.64 : x
  2. Step 2: Convert to fraction form
    464,122,375.20/640,489,204.80 = 255,294,404.64/x
  3. Step 3: Cross multiply
    464,122,375.20x = 640,489,204.80 × 255,294,404.64
  4. Step 4: Simplify right side
    464,122,375.20x = 163,513,310,217,763,008
  5. Step 5: Solve for x
    x = 163,513,310,217,763,008/464,122,375.20
  6. Step 6: Final answer
    x = 352,306,458.29

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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.