Home / 639,757,064.12-959,672,797.04-179,731,105.70

Finding the Fourth Proportional to 639,757,064.12, 959,672,797.04 and 179,731,105.70

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Solution

The fourth proportional to 639,757,064.12, 959,672,797.04 and 179,731,105.70 is: 269,607,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,757,064.12 : 959,672,797.04 = 179,731,105.70 : x
  2. Step 2: Convert to fraction form
    639,757,064.12/959,672,797.04 = 179,731,105.70/x
  3. Step 3: Cross multiply
    639,757,064.12x = 959,672,797.04 × 179,731,105.70
  4. Step 4: Simplify right side
    639,757,064.12x = 172,483,052,917,861,856
  5. Step 5: Solve for x
    x = 172,483,052,917,861,856/639,757,064.12
  6. Step 6: Final answer
    x = 269,607,109.62

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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.