Home / 494,172,159.96-682,018,061.76-285,327,952.14

Finding the Fourth Proportional to 494,172,159.96, 682,018,061.76 and 285,327,952.14

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Solution

The fourth proportional to 494,172,159.96, 682,018,061.76 and 285,327,952.14 is: 393,787,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,172,159.96 : 682,018,061.76 = 285,327,952.14 : x
  2. Step 2: Convert to fraction form
    494,172,159.96/682,018,061.76 = 285,327,952.14/x
  3. Step 3: Cross multiply
    494,172,159.96x = 682,018,061.76 × 285,327,952.14
  4. Step 4: Simplify right side
    494,172,159.96x = 194,598,816,884,472,832
  5. Step 5: Solve for x
    x = 194,598,816,884,472,832/494,172,159.96
  6. Step 6: Final answer
    x = 393,787,494.83

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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.