Home / 632,489,238.72-872,787,493.44-384,943,233.60

Finding the Fourth Proportional to 632,489,238.72, 872,787,493.44 and 384,943,233.60

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Solution

The fourth proportional to 632,489,238.72, 872,787,493.44 and 384,943,233.60 is: 531,192,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,489,238.72 : 872,787,493.44 = 384,943,233.60 : x
  2. Step 2: Convert to fraction form
    632,489,238.72/872,787,493.44 = 384,943,233.60/x
  3. Step 3: Cross multiply
    632,489,238.72x = 872,787,493.44 × 384,943,233.60
  4. Step 4: Simplify right side
    632,489,238.72x = 335,973,639,970,432,448
  5. Step 5: Solve for x
    x = 335,973,639,970,432,448/632,489,238.72
  6. Step 6: Final answer
    x = 531,192,658.16

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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.