Home / 393,700,034.10-543,322,554-226,436,341.88

Finding the Fourth Proportional to 393,700,034.10, 543,322,554 and 226,436,341.88

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Solution

The fourth proportional to 393,700,034.10, 543,322,554 and 226,436,341.88 is: 312,491,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,700,034.10 : 543,322,554 = 226,436,341.88 : x
  2. Step 2: Convert to fraction form
    393,700,034.10/543,322,554 = 226,436,341.88/x
  3. Step 3: Cross multiply
    393,700,034.10x = 543,322,554 × 226,436,341.88
  4. Step 4: Simplify right side
    393,700,034.10x = 123,027,971,588,658,752
  5. Step 5: Solve for x
    x = 123,027,971,588,658,752/393,700,034.10
  6. Step 6: Final answer
    x = 312,491,645.75

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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.