Finding the Fourth Proportional to 504,423,524.19, 696,104,761.92 and 281,405,206.57
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Solution
The fourth proportional to 504,423,524.19, 696,104,761.92 and 281,405,206.57 is: 388,339,351.61
Step by Step Solution
- Step 1: Write the proportion equation
504,423,524.19 : 696,104,761.92 = 281,405,206.57 : x - Step 2: Convert to fraction form
504,423,524.19/696,104,761.92 = 281,405,206.57/x - Step 3: Cross multiply
504,423,524.19x = 696,104,761.92 × 281,405,206.57 - Step 4: Simplify right side
504,423,524.19x = 195,887,504,322,458,240 - Step 5: Solve for x
x = 195,887,504,322,458,240/504,423,524.19 - Step 6: Final answer
x = 388,339,351.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.