Home / 419,879,509.92-629,747,481.87-113,099,878.26

Finding the Fourth Proportional to 419,879,509.92, 629,747,481.87 and 113,099,878.26

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Solution

The fourth proportional to 419,879,509.92, 629,747,481.87 and 113,099,878.26 is: 169,630,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,879,509.92 : 629,747,481.87 = 113,099,878.26 : x
  2. Step 2: Convert to fraction form
    419,879,509.92/629,747,481.87 = 113,099,878.26/x
  3. Step 3: Cross multiply
    419,879,509.92x = 629,747,481.87 × 113,099,878.26
  4. Step 4: Simplify right side
    419,879,509.92x = 71,224,363,534,038,560
  5. Step 5: Solve for x
    x = 71,224,363,534,038,560/419,879,509.92
  6. Step 6: Final answer
    x = 169,630,481.72

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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.