Finding the Fourth Proportional to 4,218,277,124.92, 6,322,986,425.68 and 1,419,273,928.82
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Solution
The fourth proportional to 4,218,277,124.92, 6,322,986,425.68 and 1,419,273,928.82 is: 2,127,420,631.81
Step by Step Solution
- Step 1: Write the proportion equation
4,218,277,124.92 : 6,322,986,425.68 = 1,419,273,928.82 : x - Step 2: Convert to fraction form
4,218,277,124.92/6,322,986,425.68 = 1,419,273,928.82/x - Step 3: Cross multiply
4,218,277,124.92x = 6,322,986,425.68 × 1,419,273,928.82 - Step 4: Simplify right side
4,218,277,124.92x = 8,974,049,786,250,382,336 - Step 5: Solve for x
x = 8,974,049,786,250,382,336/4,218,277,124.92 - Step 6: Final answer
x = 2,127,420,631.81
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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.