Home / 413,856,069.82-571,135,163.80-225,694,630.06

Finding the Fourth Proportional to 413,856,069.82, 571,135,163.80 and 225,694,630.06

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Solution

The fourth proportional to 413,856,069.82, 571,135,163.80 and 225,694,630.06 is: 311,466,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,856,069.82 : 571,135,163.80 = 225,694,630.06 : x
  2. Step 2: Convert to fraction form
    413,856,069.82/571,135,163.80 = 225,694,630.06/x
  3. Step 3: Cross multiply
    413,856,069.82x = 571,135,163.80 × 225,694,630.06
  4. Step 4: Simplify right side
    413,856,069.82x = 128,902,139,508,098,496
  5. Step 5: Solve for x
    x = 128,902,139,508,098,496/413,856,069.82
  6. Step 6: Final answer
    x = 311,466,108.41

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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.