Home / 419,879,578.92-629,747,586.18-113,099,947.32

Finding the Fourth Proportional to 419,879,578.92, 629,747,586.18 and 113,099,947.32

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Solution

The fourth proportional to 419,879,578.92, 629,747,586.18 and 113,099,947.32 is: 169,630,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,879,578.92 : 629,747,586.18 = 113,099,947.32 : x
  2. Step 2: Convert to fraction form
    419,879,578.92/629,747,586.18 = 113,099,947.32/x
  3. Step 3: Cross multiply
    419,879,578.92x = 629,747,586.18 × 113,099,947.32
  4. Step 4: Simplify right side
    419,879,578.92x = 71,224,418,821,855,152
  5. Step 5: Solve for x
    x = 71,224,418,821,855,152/419,879,578.92
  6. Step 6: Final answer
    x = 169,630,585.52

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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.