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Finding the Fourth Proportional to 503,844,455.20, 755,766,682.80 and 417,751,013.20

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Solution

The fourth proportional to 503,844,455.20, 755,766,682.80 and 417,751,013.20 is: 626,626,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,844,455.20 : 755,766,682.80 = 417,751,013.20 : x
  2. Step 2: Convert to fraction form
    503,844,455.20/755,766,682.80 = 417,751,013.20/x
  3. Step 3: Cross multiply
    503,844,455.20x = 755,766,682.80 × 417,751,013.20
  4. Step 4: Simplify right side
    503,844,455.20x = 315,722,297,482,502,976
  5. Step 5: Solve for x
    x = 315,722,297,482,502,976/503,844,455.20
  6. Step 6: Final answer
    x = 626,626,519.80

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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.