Home / 412,147,278.33-568,768,789.81-223,979,307.36

Finding the Fourth Proportional to 412,147,278.33, 568,768,789.81 and 223,979,307.36

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Solution

The fourth proportional to 412,147,278.33, 568,768,789.81 and 223,979,307.36 is: 309,094,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,147,278.33 : 568,768,789.81 = 223,979,307.36 : x
  2. Step 2: Convert to fraction form
    412,147,278.33/568,768,789.81 = 223,979,307.36/x
  3. Step 3: Cross multiply
    412,147,278.33x = 568,768,789.81 × 223,979,307.36
  4. Step 4: Simplify right side
    412,147,278.33x = 127,392,439,589,629,216
  5. Step 5: Solve for x
    x = 127,392,439,589,629,216/412,147,278.33
  6. Step 6: Final answer
    x = 309,094,457.95

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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.