Home / 285,576,544.82-428,364,958.98-188,509,566.26

Finding the Fourth Proportional to 285,576,544.82, 428,364,958.98 and 188,509,566.26

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Solution

The fourth proportional to 285,576,544.82, 428,364,958.98 and 188,509,566.26 is: 282,764,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,576,544.82 : 428,364,958.98 = 188,509,566.26 : x
  2. Step 2: Convert to fraction form
    285,576,544.82/428,364,958.98 = 188,509,566.26/x
  3. Step 3: Cross multiply
    285,576,544.82x = 428,364,958.98 × 188,509,566.26
  4. Step 4: Simplify right side
    285,576,544.82x = 80,750,892,618,302,496
  5. Step 5: Solve for x
    x = 80,750,892,618,302,496/285,576,544.82
  6. Step 6: Final answer
    x = 282,764,442.96

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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.