Home / 693,709,074.80-1,040,624,759.72-195,723,951.68

Finding the Fourth Proportional to 693,709,074.80, 1,040,624,759.72 and 195,723,951.68

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Solution

The fourth proportional to 693,709,074.80, 1,040,624,759.72 and 195,723,951.68 is: 293,603,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,709,074.80 : 1,040,624,759.72 = 195,723,951.68 : x
  2. Step 2: Convert to fraction form
    693,709,074.80/1,040,624,759.72 = 195,723,951.68/x
  3. Step 3: Cross multiply
    693,709,074.80x = 1,040,624,759.72 × 195,723,951.68
  4. Step 4: Simplify right side
    693,709,074.80x = 203,675,190,191,539,776
  5. Step 5: Solve for x
    x = 203,675,190,191,539,776/693,709,074.80
  6. Step 6: Final answer
    x = 293,603,179.76

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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.