Home / 629,729,046.72-944,601,968.34-220,797,138.24

Finding the Fourth Proportional to 629,729,046.72, 944,601,968.34 and 220,797,138.24

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Solution

The fourth proportional to 629,729,046.72, 944,601,968.34 and 220,797,138.24 is: 331,198,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,729,046.72 : 944,601,968.34 = 220,797,138.24 : x
  2. Step 2: Convert to fraction form
    629,729,046.72/944,601,968.34 = 220,797,138.24/x
  3. Step 3: Cross multiply
    629,729,046.72x = 944,601,968.34 × 220,797,138.24
  4. Step 4: Simplify right side
    629,729,046.72x = 208,565,411,385,343,104
  5. Step 5: Solve for x
    x = 208,565,411,385,343,104/629,729,046.72
  6. Step 6: Final answer
    x = 331,198,651.98

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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.