Home / 627,930,387.05-941,823,711.43-167,904,428.63

Finding the Fourth Proportional to 627,930,387.05, 941,823,711.43 and 167,904,428.63

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Solution

The fourth proportional to 627,930,387.05, 941,823,711.43 and 167,904,428.63 is: 251,837,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,930,387.05 : 941,823,711.43 = 167,904,428.63 : x
  2. Step 2: Convert to fraction form
    627,930,387.05/941,823,711.43 = 167,904,428.63/x
  3. Step 3: Cross multiply
    627,930,387.05x = 941,823,711.43 × 167,904,428.63
  4. Step 4: Simplify right side
    627,930,387.05x = 158,136,372,138,004,320
  5. Step 5: Solve for x
    x = 158,136,372,138,004,320/627,930,387.05
  6. Step 6: Final answer
    x = 251,837,425.61

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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.