Home / 1,040,672,729.87-1,560,385,522.88-331,314,730.91

Finding the Fourth Proportional to 1,040,672,729.87, 1,560,385,522.88 and 331,314,730.91

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Solution

The fourth proportional to 1,040,672,729.87, 1,560,385,522.88 and 331,314,730.91 is: 496,773,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,672,729.87 : 1,560,385,522.88 = 331,314,730.91 : x
  2. Step 2: Convert to fraction form
    1,040,672,729.87/1,560,385,522.88 = 331,314,730.91/x
  3. Step 3: Cross multiply
    1,040,672,729.87x = 1,560,385,522.88 × 331,314,730.91
  4. Step 4: Simplify right side
    1,040,672,729.87x = 516,978,709,628,846,912
  5. Step 5: Solve for x
    x = 516,978,709,628,846,912/1,040,672,729.87
  6. Step 6: Final answer
    x = 496,773,572.32

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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.