Home / 384,914,786.40-576,238,438.80-362,491,912.80

Finding the Fourth Proportional to 384,914,786.40, 576,238,438.80 and 362,491,912.80

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Solution

The fourth proportional to 384,914,786.40, 576,238,438.80 and 362,491,912.80 is: 542,670,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,914,786.40 : 576,238,438.80 = 362,491,912.80 : x
  2. Step 2: Convert to fraction form
    384,914,786.40/576,238,438.80 = 362,491,912.80/x
  3. Step 3: Cross multiply
    384,914,786.40x = 576,238,438.80 × 362,491,912.80
  4. Step 4: Simplify right side
    384,914,786.40x = 208,881,773,909,497,728
  5. Step 5: Solve for x
    x = 208,881,773,909,497,728/384,914,786.40
  6. Step 6: Final answer
    x = 542,670,173.48

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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.