Home / 512,161,437.56-768,241,016.26-395,746,071.62

Finding the Fourth Proportional to 512,161,437.56, 768,241,016.26 and 395,746,071.62

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Solution

The fourth proportional to 512,161,437.56, 768,241,016.26 and 395,746,071.62 is: 593,618,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,161,437.56 : 768,241,016.26 = 395,746,071.62 : x
  2. Step 2: Convert to fraction form
    512,161,437.56/768,241,016.26 = 395,746,071.62/x
  3. Step 3: Cross multiply
    512,161,437.56x = 768,241,016.26 × 395,746,071.62
  4. Step 4: Simplify right side
    512,161,437.56x = 304,028,364,237,420,992
  5. Step 5: Solve for x
    x = 304,028,364,237,420,992/512,161,437.56
  6. Step 6: Final answer
    x = 593,618,226.49

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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.