Home / 340,171,738-469,582,105.08-228,727,175.20

Finding the Fourth Proportional to 340,171,738, 469,582,105.08 and 228,727,175.20

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Solution

The fourth proportional to 340,171,738, 469,582,105.08 and 228,727,175.20 is: 315,741,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,171,738 : 469,582,105.08 = 228,727,175.20 : x
  2. Step 2: Convert to fraction form
    340,171,738/469,582,105.08 = 228,727,175.20/x
  3. Step 3: Cross multiply
    340,171,738x = 469,582,105.08 × 228,727,175.20
  4. Step 4: Simplify right side
    340,171,738x = 107,406,188,419,417,968
  5. Step 5: Solve for x
    x = 107,406,188,419,417,968/340,171,738
  6. Step 6: Final answer
    x = 315,741,069.65

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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.