Finding the Fourth Proportional to 2,794,986,197.20, 4,192,479,295.80 and 2,776,846,344.40
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Solution
The fourth proportional to 2,794,986,197.20, 4,192,479,295.80 and 2,776,846,344.40 is: 4,165,269,516.60
Step by Step Solution
- Step 1: Write the proportion equation
2,794,986,197.20 : 4,192,479,295.80 = 2,776,846,344.40 : x - Step 2: Convert to fraction form
2,794,986,197.20/4,192,479,295.80 = 2,776,846,344.40/x - Step 3: Cross multiply
2,794,986,197.20x = 4,192,479,295.80 × 2,776,846,344.40 - Step 4: Simplify right side
2,794,986,197.20x = 11,641,870,806,514,917,376 - Step 5: Solve for x
x = 11,641,870,806,514,917,376/2,794,986,197.20 - Step 6: Final answer
x = 4,165,269,516.60
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1.5x scale
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.