Home / 494,172,158.96-682,018,060.38-285,327,951.14

Finding the Fourth Proportional to 494,172,158.96, 682,018,060.38 and 285,327,951.14

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Solution

The fourth proportional to 494,172,158.96, 682,018,060.38 and 285,327,951.14 is: 393,787,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,172,158.96 : 682,018,060.38 = 285,327,951.14 : x
  2. Step 2: Convert to fraction form
    494,172,158.96/682,018,060.38 = 285,327,951.14/x
  3. Step 3: Cross multiply
    494,172,158.96x = 682,018,060.38 × 285,327,951.14
  4. Step 4: Simplify right side
    494,172,158.96x = 194,598,815,808,702,208
  5. Step 5: Solve for x
    x = 194,598,815,808,702,208/494,172,158.96
  6. Step 6: Final answer
    x = 393,787,493.45

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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.