Home / 1,040,672,730.86-1,560,385,524.38-331,314,731.90

Finding the Fourth Proportional to 1,040,672,730.86, 1,560,385,524.38 and 331,314,731.90

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Solution

The fourth proportional to 1,040,672,730.86, 1,560,385,524.38 and 331,314,731.90 is: 496,773,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,672,730.86 : 1,560,385,524.38 = 331,314,731.90 : x
  2. Step 2: Convert to fraction form
    1,040,672,730.86/1,560,385,524.38 = 331,314,731.90/x
  3. Step 3: Cross multiply
    1,040,672,730.86x = 1,560,385,524.38 × 331,314,731.90
  4. Step 4: Simplify right side
    1,040,672,730.86x = 516,978,711,670,600,640
  5. Step 5: Solve for x
    x = 516,978,711,670,600,640/1,040,672,730.86
  6. Step 6: Final answer
    x = 496,773,573.80

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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.