Home / 509,953,704.38-763,347,138.20-276,203,851.73

Finding the Fourth Proportional to 509,953,704.38, 763,347,138.20 and 276,203,851.73

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Solution

The fourth proportional to 509,953,704.38, 763,347,138.20 and 276,203,851.73 is: 413,448,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,953,704.38 : 763,347,138.20 = 276,203,851.73 : x
  2. Step 2: Convert to fraction form
    509,953,704.38/763,347,138.20 = 276,203,851.73/x
  3. Step 3: Cross multiply
    509,953,704.38x = 763,347,138.20 × 276,203,851.73
  4. Step 4: Simplify right side
    509,953,704.38x = 210,839,419,776,531,616
  5. Step 5: Solve for x
    x = 210,839,419,776,531,616/509,953,704.38
  6. Step 6: Final answer
    x = 413,448,158.07

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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.