Home / 1,237,839,001.62-1,708,226,828.88-673,328,757.36

Finding the Fourth Proportional to 1,237,839,001.62, 1,708,226,828.88 and 673,328,757.36

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Solution

The fourth proportional to 1,237,839,001.62, 1,708,226,828.88 and 673,328,757.36 is: 929,198,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,839,001.62 : 1,708,226,828.88 = 673,328,757.36 : x
  2. Step 2: Convert to fraction form
    1,237,839,001.62/1,708,226,828.88 = 673,328,757.36/x
  3. Step 3: Cross multiply
    1,237,839,001.62x = 1,708,226,828.88 × 673,328,757.36
  4. Step 4: Simplify right side
    1,237,839,001.62x = 1,150,198,247,978,783,872
  5. Step 5: Solve for x
    x = 1,150,198,247,978,783,872/1,237,839,001.62
  6. Step 6: Final answer
    x = 929,198,584.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.