Home / 493,194,618.28-680,609,376.96-270,171,404.48

Finding the Fourth Proportional to 493,194,618.28, 680,609,376.96 and 270,171,404.48

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Solution

The fourth proportional to 493,194,618.28, 680,609,376.96 and 270,171,404.48 is: 372,836,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,194,618.28 : 680,609,376.96 = 270,171,404.48 : x
  2. Step 2: Convert to fraction form
    493,194,618.28/680,609,376.96 = 270,171,404.48/x
  3. Step 3: Cross multiply
    493,194,618.28x = 680,609,376.96 × 270,171,404.48
  4. Step 4: Simplify right side
    493,194,618.28x = 183,881,191,275,540,992
  5. Step 5: Solve for x
    x = 183,881,191,275,540,992/493,194,618.28
  6. Step 6: Final answer
    x = 372,836,978.47

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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.