Home / 418,182,057.14-627,344,548.83-172,404,337.37

Finding the Fourth Proportional to 418,182,057.14, 627,344,548.83 and 172,404,337.37

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Solution

The fourth proportional to 418,182,057.14, 627,344,548.83 and 172,404,337.37 is: 258,635,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,182,057.14 : 627,344,548.83 = 172,404,337.37 : x
  2. Step 2: Convert to fraction form
    418,182,057.14/627,344,548.83 = 172,404,337.37/x
  3. Step 3: Cross multiply
    418,182,057.14x = 627,344,548.83 × 172,404,337.37
  4. Step 4: Simplify right side
    418,182,057.14x = 108,156,921,240,581,056
  5. Step 5: Solve for x
    x = 108,156,921,240,581,056/418,182,057.14
  6. Step 6: Final answer
    x = 258,635,968.22

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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.