Home / 664,302,608.90-996,453,913.35-446,624,375.30

Finding the Fourth Proportional to 664,302,608.90, 996,453,913.35 and 446,624,375.30

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Solution

The fourth proportional to 664,302,608.90, 996,453,913.35 and 446,624,375.30 is: 669,936,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,608.90 : 996,453,913.35 = 446,624,375.30 : x
  2. Step 2: Convert to fraction form
    664,302,608.90/996,453,913.35 = 446,624,375.30/x
  3. Step 3: Cross multiply
    664,302,608.90x = 996,453,913.35 × 446,624,375.30
  4. Step 4: Simplify right side
    664,302,608.90x = 445,040,606,565,184,128
  5. Step 5: Solve for x
    x = 445,040,606,565,184,128/664,302,608.90
  6. Step 6: Final answer
    x = 669,936,562.95

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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.