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Finding the Fourth Proportional to 925,366,106.22, 1,388,278,896.86 and 459,246,291

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Solution

The fourth proportional to 925,366,106.22, 1,388,278,896.86 and 459,246,291 is: 688,983,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,366,106.22 : 1,388,278,896.86 = 459,246,291 : x
  2. Step 2: Convert to fraction form
    925,366,106.22/1,388,278,896.86 = 459,246,291/x
  3. Step 3: Cross multiply
    925,366,106.22x = 1,388,278,896.86 × 459,246,291
  4. Step 4: Simplify right side
    925,366,106.22x = 637,561,934,256,526,464
  5. Step 5: Solve for x
    x = 637,561,934,256,526,464/925,366,106.22
  6. Step 6: Final answer
    x = 688,983,452.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.