Finding the Fourth Proportional to 547,629,009.26, 821,436,338.73 and 133,104,626.37
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Solution
The fourth proportional to 547,629,009.26, 821,436,338.73 and 133,104,626.37 is: 199,655,195.59
Step by Step Solution
- Step 1: Write the proportion equation
547,629,009.26 : 821,436,338.73 = 133,104,626.37 : x - Step 2: Convert to fraction form
547,629,009.26/821,436,338.73 = 133,104,626.37/x - Step 3: Cross multiply
547,629,009.26x = 821,436,338.73 × 133,104,626.37 - Step 4: Simplify right side
547,629,009.26x = 109,336,976,953,397,424 - Step 5: Solve for x
x = 109,336,976,953,397,424/547,629,009.26 - Step 6: Final answer
x = 199,655,195.59
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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.