Home / 387,449,337.44-534,679,709.46-211,237,286.42

Finding the Fourth Proportional to 387,449,337.44, 534,679,709.46 and 211,237,286.42

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Solution

The fourth proportional to 387,449,337.44, 534,679,709.46 and 211,237,286.42 is: 291,507,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,449,337.44 : 534,679,709.46 = 211,237,286.42 : x
  2. Step 2: Convert to fraction form
    387,449,337.44/534,679,709.46 = 211,237,286.42/x
  3. Step 3: Cross multiply
    387,449,337.44x = 534,679,709.46 × 211,237,286.42
  4. Step 4: Simplify right side
    387,449,337.44x = 112,944,290,930,164,384
  5. Step 5: Solve for x
    x = 112,944,290,930,164,384/387,449,337.44
  6. Step 6: Final answer
    x = 291,507,250.15

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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.