Home / 419,399,560.44-629,252,744.18-195,158,202.72

Finding the Fourth Proportional to 419,399,560.44, 629,252,744.18 and 195,158,202.72

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Solution

The fourth proportional to 419,399,560.44, 629,252,744.18 and 195,158,202.72 is: 292,808,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,399,560.44 : 629,252,744.18 = 195,158,202.72 : x
  2. Step 2: Convert to fraction form
    419,399,560.44/629,252,744.18 = 195,158,202.72/x
  3. Step 3: Cross multiply
    419,399,560.44x = 629,252,744.18 × 195,158,202.72
  4. Step 4: Simplify right side
    419,399,560.44x = 122,803,834,610,796,736
  5. Step 5: Solve for x
    x = 122,803,834,610,796,736/419,399,560.44
  6. Step 6: Final answer
    x = 292,808,686.98

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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.