Home / 925,366,105.78-1,388,278,896.21-459,246,290.56

Finding the Fourth Proportional to 925,366,105.78, 1,388,278,896.21 and 459,246,290.56

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Solution

The fourth proportional to 925,366,105.78, 1,388,278,896.21 and 459,246,290.56 is: 688,983,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,366,105.78 : 1,388,278,896.21 = 459,246,290.56 : x
  2. Step 2: Convert to fraction form
    925,366,105.78/1,388,278,896.21 = 459,246,290.56/x
  3. Step 3: Cross multiply
    925,366,105.78x = 1,388,278,896.21 × 459,246,290.56
  4. Step 4: Simplify right side
    925,366,105.78x = 637,561,933,343,703,040
  5. Step 5: Solve for x
    x = 637,561,933,343,703,040/925,366,105.78
  6. Step 6: Final answer
    x = 688,983,451.37

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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.