Home / 383,895,286.48-576,076,768.62-138,231,374.68

Finding the Fourth Proportional to 383,895,286.48, 576,076,768.62 and 138,231,374.68

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Solution

The fourth proportional to 383,895,286.48, 576,076,768.62 and 138,231,374.68 is: 207,431,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,895,286.48 : 576,076,768.62 = 138,231,374.68 : x
  2. Step 2: Convert to fraction form
    383,895,286.48/576,076,768.62 = 138,231,374.68/x
  3. Step 3: Cross multiply
    383,895,286.48x = 576,076,768.62 × 138,231,374.68
  4. Step 4: Simplify right side
    383,895,286.48x = 79,631,883,647,554,896
  5. Step 5: Solve for x
    x = 79,631,883,647,554,896/383,895,286.48
  6. Step 6: Final answer
    x = 207,431,261.73

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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.