Home / 503,944,267.20-755,916,400.80-417,850,825.20

Finding the Fourth Proportional to 503,944,267.20, 755,916,400.80 and 417,850,825.20

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Solution

The fourth proportional to 503,944,267.20, 755,916,400.80 and 417,850,825.20 is: 626,776,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,944,267.20 : 755,916,400.80 = 417,850,825.20 : x
  2. Step 2: Convert to fraction form
    503,944,267.20/755,916,400.80 = 417,850,825.20/x
  3. Step 3: Cross multiply
    503,944,267.20x = 755,916,400.80 × 417,850,825.20
  4. Step 4: Simplify right side
    503,944,267.20x = 315,860,291,856,493,888
  5. Step 5: Solve for x
    x = 315,860,291,856,493,888/503,944,267.20
  6. Step 6: Final answer
    x = 626,776,237.80

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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.