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