Home / 421,969,844.85-582,310,678.56-233,797,452.39

Finding the Fourth Proportional to 421,969,844.85, 582,310,678.56 and 233,797,452.39

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Solution

The fourth proportional to 421,969,844.85, 582,310,678.56 and 233,797,452.39 is: 322,636,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,969,844.85 : 582,310,678.56 = 233,797,452.39 : x
  2. Step 2: Convert to fraction form
    421,969,844.85/582,310,678.56 = 233,797,452.39/x
  3. Step 3: Cross multiply
    421,969,844.85x = 582,310,678.56 × 233,797,452.39
  4. Step 4: Simplify right side
    421,969,844.85x = 136,142,753,146,820,176
  5. Step 5: Solve for x
    x = 136,142,753,146,820,176/421,969,844.85
  6. Step 6: Final answer
    x = 322,636,213.96

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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.