Home / 413,856,054.80-571,135,143.11-225,694,615.06

Finding the Fourth Proportional to 413,856,054.80, 571,135,143.11 and 225,694,615.06

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Solution

The fourth proportional to 413,856,054.80, 571,135,143.11 and 225,694,615.06 is: 311,466,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,856,054.80 : 571,135,143.11 = 225,694,615.06 : x
  2. Step 2: Convert to fraction form
    413,856,054.80/571,135,143.11 = 225,694,615.06/x
  3. Step 3: Cross multiply
    413,856,054.80x = 571,135,143.11 × 225,694,615.06
  4. Step 4: Simplify right side
    413,856,054.80x = 128,902,126,271,449,472
  5. Step 5: Solve for x
    x = 128,902,126,271,449,472/413,856,054.80
  6. Step 6: Final answer
    x = 311,466,087.73

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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.