Home / 739,228,195.89-1,109,932,323.81-412,342,379.73

Finding the Fourth Proportional to 739,228,195.89, 1,109,932,323.81 and 412,342,379.73

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Solution

The fourth proportional to 739,228,195.89, 1,109,932,323.81 and 412,342,379.73 is: 619,121,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,228,195.89 : 1,109,932,323.81 = 412,342,379.73 : x
  2. Step 2: Convert to fraction form
    739,228,195.89/1,109,932,323.81 = 412,342,379.73/x
  3. Step 3: Cross multiply
    739,228,195.89x = 1,109,932,323.81 × 412,342,379.73
  4. Step 4: Simplify right side
    739,228,195.89x = 457,672,135,739,064,320
  5. Step 5: Solve for x
    x = 457,672,135,739,064,320/739,228,195.89
  6. Step 6: Final answer
    x = 619,121,589.63

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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.