Home / 414,876,509.68-622,382,301.88-193,768,956.24

Finding the Fourth Proportional to 414,876,509.68, 622,382,301.88 and 193,768,956.24

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Solution

The fourth proportional to 414,876,509.68, 622,382,301.88 and 193,768,956.24 is: 290,684,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,876,509.68 : 622,382,301.88 = 193,768,956.24 : x
  2. Step 2: Convert to fraction form
    414,876,509.68/622,382,301.88 = 193,768,956.24/x
  3. Step 3: Cross multiply
    414,876,509.68x = 622,382,301.88 × 193,768,956.24
  4. Step 4: Simplify right side
    414,876,509.68x = 120,598,369,017,536,192
  5. Step 5: Solve for x
    x = 120,598,369,017,536,192/414,876,509.68
  6. Step 6: Final answer
    x = 290,684,977.83

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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.