Home / 503,844,453.20-755,766,679.80-417,751,011.20

Finding the Fourth Proportional to 503,844,453.20, 755,766,679.80 and 417,751,011.20

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Solution

The fourth proportional to 503,844,453.20, 755,766,679.80 and 417,751,011.20 is: 626,626,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,844,453.20 : 755,766,679.80 = 417,751,011.20 : x
  2. Step 2: Convert to fraction form
    503,844,453.20/755,766,679.80 = 417,751,011.20/x
  3. Step 3: Cross multiply
    503,844,453.20x = 755,766,679.80 × 417,751,011.20
  4. Step 4: Simplify right side
    503,844,453.20x = 315,722,294,717,716,608
  5. Step 5: Solve for x
    x = 315,722,294,717,716,608/503,844,453.20
  6. Step 6: Final answer
    x = 626,626,516.80

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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.