Finding the Fourth Proportional to 2,757,986,479.20, 4,136,979,718.80 and 2,413,612,711.20
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Solution
The fourth proportional to 2,757,986,479.20, 4,136,979,718.80 and 2,413,612,711.20 is: 3,620,419,066.80
Step by Step Solution
- Step 1: Write the proportion equation
2,757,986,479.20 : 4,136,979,718.80 = 2,413,612,711.20 : x - Step 2: Convert to fraction form
2,757,986,479.20/4,136,979,718.80 = 2,413,612,711.20/x - Step 3: Cross multiply
2,757,986,479.20x = 4,136,979,718.80 × 2,413,612,711.20 - Step 4: Simplify right side
2,757,986,479.20x = 9,985,066,835,272,282,112 - Step 5: Solve for x
x = 9,985,066,835,272,282,112/2,757,986,479.20 - Step 6: Final answer
x = 3,620,419,066.80
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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.