Home / 388,960,241.82-583,441,359.21-158,929,326.48

Finding the Fourth Proportional to 388,960,241.82, 583,441,359.21 and 158,929,326.48

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Solution

The fourth proportional to 388,960,241.82, 583,441,359.21 and 158,929,326.48 is: 238,394,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,960,241.82 : 583,441,359.21 = 158,929,326.48 : x
  2. Step 2: Convert to fraction form
    388,960,241.82/583,441,359.21 = 158,929,326.48/x
  3. Step 3: Cross multiply
    388,960,241.82x = 583,441,359.21 × 158,929,326.48
  4. Step 4: Simplify right side
    388,960,241.82x = 92,725,942,259,821,040
  5. Step 5: Solve for x
    x = 92,725,942,259,821,040/388,960,241.82
  6. Step 6: Final answer
    x = 238,394,396.88

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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.