Finding the Fourth Proportional to 4,784,471,668.62, 7,176,677,387.94 and 2,574,722,275.92
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Solution
The fourth proportional to 4,784,471,668.62, 7,176,677,387.94 and 2,574,722,275.92 is: 3,862,067,207.76
Step by Step Solution
- Step 1: Write the proportion equation
4,784,471,668.62 : 7,176,677,387.94 = 2,574,722,275.92 : x - Step 2: Convert to fraction form
4,784,471,668.62/7,176,677,387.94 = 2,574,722,275.92/x - Step 3: Cross multiply
4,784,471,668.62x = 7,176,677,387.94 × 2,574,722,275.92 - Step 4: Simplify right side
4,784,471,668.62x = 18,477,951,137,820,475,392 - Step 5: Solve for x
x = 18,477,951,137,820,475,392/4,784,471,668.62 - Step 6: Final answer
x = 3,862,067,207.76
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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.