Home / 513,271,406-769,599,642.32-163,366,331.06

Finding the Fourth Proportional to 513,271,406, 769,599,642.32 and 163,366,331.06

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Solution

The fourth proportional to 513,271,406, 769,599,642.32 and 163,366,331.06 is: 244,951,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,271,406 : 769,599,642.32 = 163,366,331.06 : x
  2. Step 2: Convert to fraction form
    513,271,406/769,599,642.32 = 163,366,331.06/x
  3. Step 3: Cross multiply
    513,271,406x = 769,599,642.32 × 163,366,331.06
  4. Step 4: Simplify right side
    513,271,406x = 125,726,669,950,906,720
  5. Step 5: Solve for x
    x = 125,726,669,950,906,720/513,271,406
  6. Step 6: Final answer
    x = 244,951,634.71

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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.