Home / 419,665,576.38-579,139,053.30-231,489,625.50

Finding the Fourth Proportional to 419,665,576.38, 579,139,053.30 and 231,489,625.50

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Solution

The fourth proportional to 419,665,576.38, 579,139,053.30 and 231,489,625.50 is: 319,455,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,665,576.38 : 579,139,053.30 = 231,489,625.50 : x
  2. Step 2: Convert to fraction form
    419,665,576.38/579,139,053.30 = 231,489,625.50/x
  3. Step 3: Cross multiply
    419,665,576.38x = 579,139,053.30 × 231,489,625.50
  4. Step 4: Simplify right side
    419,665,576.38x = 134,064,682,560,841,536
  5. Step 5: Solve for x
    x = 134,064,682,560,841,536/419,665,576.38
  6. Step 6: Final answer
    x = 319,455,990.93

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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.