Home / 551,915,244.79-827,448,539.27-285,735,611.95

Finding the Fourth Proportional to 551,915,244.79, 827,448,539.27 and 285,735,611.95

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Solution

The fourth proportional to 551,915,244.79, 827,448,539.27 and 285,735,611.95 is: 428,383,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,915,244.79 : 827,448,539.27 = 285,735,611.95 : x
  2. Step 2: Convert to fraction form
    551,915,244.79/827,448,539.27 = 285,735,611.95/x
  3. Step 3: Cross multiply
    551,915,244.79x = 827,448,539.27 × 285,735,611.95
  4. Step 4: Simplify right side
    551,915,244.79x = 236,431,514,721,949,760
  5. Step 5: Solve for x
    x = 236,431,514,721,949,760/551,915,244.79
  6. Step 6: Final answer
    x = 428,383,736.37

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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.