Home / 494,172,156.96-682,018,057.62-285,327,949.14

Finding the Fourth Proportional to 494,172,156.96, 682,018,057.62 and 285,327,949.14

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Solution

The fourth proportional to 494,172,156.96, 682,018,057.62 and 285,327,949.14 is: 393,787,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,172,156.96 : 682,018,057.62 = 285,327,949.14 : x
  2. Step 2: Convert to fraction form
    494,172,156.96/682,018,057.62 = 285,327,949.14/x
  3. Step 3: Cross multiply
    494,172,156.96x = 682,018,057.62 × 285,327,949.14
  4. Step 4: Simplify right side
    494,172,156.96x = 194,598,813,657,160,928
  5. Step 5: Solve for x
    x = 194,598,813,657,160,928/494,172,156.96
  6. Step 6: Final answer
    x = 393,787,490.69

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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.