Finding the Fourth Proportional to 862,073,244, 1,293,121,063.44 and 287,644,572
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Solution
The fourth proportional to 862,073,244, 1,293,121,063.44 and 287,644,572 is: 431,470,594.21
Step by Step Solution
- Step 1: Write the proportion equation
862,073,244 : 1,293,121,063.44 = 287,644,572 : x - Step 2: Convert to fraction form
862,073,244/1,293,121,063.44 = 287,644,572/x - Step 3: Cross multiply
862,073,244x = 1,293,121,063.44 × 287,644,572 - Step 4: Simplify right side
862,073,244x = 371,959,254,837,383,680 - Step 5: Solve for x
x = 371,959,254,837,383,680/862,073,244 - Step 6: Final answer
x = 431,470,594.21
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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.