Home / 940,555,487.06-1,410,044,040.40-415,839,872.91

Finding the Fourth Proportional to 940,555,487.06, 1,410,044,040.40 and 415,839,872.91

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Solution

The fourth proportional to 940,555,487.06, 1,410,044,040.40 and 415,839,872.91 is: 623,410,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,555,487.06 : 1,410,044,040.40 = 415,839,872.91 : x
  2. Step 2: Convert to fraction form
    940,555,487.06/1,410,044,040.40 = 415,839,872.91/x
  3. Step 3: Cross multiply
    940,555,487.06x = 1,410,044,040.40 × 415,839,872.91
  4. Step 4: Simplify right side
    940,555,487.06x = 586,352,534,557,438,976
  5. Step 5: Solve for x
    x = 586,352,534,557,438,976/940,555,487.06
  6. Step 6: Final answer
    x = 623,410,891.36

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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.