Home / 419,879,577.42-629,747,583.93-113,099,945.82

Finding the Fourth Proportional to 419,879,577.42, 629,747,583.93 and 113,099,945.82

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Solution

The fourth proportional to 419,879,577.42, 629,747,583.93 and 113,099,945.82 is: 169,630,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,879,577.42 : 629,747,583.93 = 113,099,945.82 : x
  2. Step 2: Convert to fraction form
    419,879,577.42/629,747,583.93 = 113,099,945.82/x
  3. Step 3: Cross multiply
    419,879,577.42x = 629,747,583.93 × 113,099,945.82
  4. Step 4: Simplify right side
    419,879,577.42x = 71,224,417,622,758,896
  5. Step 5: Solve for x
    x = 71,224,417,622,758,896/419,879,577.42
  6. Step 6: Final answer
    x = 169,630,583.27

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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.