Home / 266,235,278.73-399,372,997.56-79,474,476.26

Finding the Fourth Proportional to 266,235,278.73, 399,372,997.56 and 79,474,476.26

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Solution

The fourth proportional to 266,235,278.73, 399,372,997.56 and 79,474,476.26 is: 119,217,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,235,278.73 : 399,372,997.56 = 79,474,476.26 : x
  2. Step 2: Convert to fraction form
    266,235,278.73/399,372,997.56 = 79,474,476.26/x
  3. Step 3: Cross multiply
    266,235,278.73x = 399,372,997.56 × 79,474,476.26
  4. Step 4: Simplify right side
    266,235,278.73x = 31,739,959,811,470,392
  5. Step 5: Solve for x
    x = 31,739,959,811,470,392/266,235,278.73
  6. Step 6: Final answer
    x = 119,217,708.35

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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.