Home / 393,700,035.10-543,322,555.38-226,436,342.88

Finding the Fourth Proportional to 393,700,035.10, 543,322,555.38 and 226,436,342.88

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Solution

The fourth proportional to 393,700,035.10, 543,322,555.38 and 226,436,342.88 is: 312,491,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,700,035.10 : 543,322,555.38 = 226,436,342.88 : x
  2. Step 2: Convert to fraction form
    393,700,035.10/543,322,555.38 = 226,436,342.88/x
  3. Step 3: Cross multiply
    393,700,035.10x = 543,322,555.38 × 226,436,342.88
  4. Step 4: Simplify right side
    393,700,035.10x = 123,027,972,444,463,472
  5. Step 5: Solve for x
    x = 123,027,972,444,463,472/393,700,035.10
  6. Step 6: Final answer
    x = 312,491,647.13

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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.