Finding the Fourth Proportional to 2,757,986,144.70, 4,136,979,217.05 and 2,413,612,376.70
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Solution
The fourth proportional to 2,757,986,144.70, 4,136,979,217.05 and 2,413,612,376.70 is: 3,620,418,565.05
Step by Step Solution
- Step 1: Write the proportion equation
2,757,986,144.70 : 4,136,979,217.05 = 2,413,612,376.70 : x - Step 2: Convert to fraction form
2,757,986,144.70/4,136,979,217.05 = 2,413,612,376.70/x - Step 3: Cross multiply
2,757,986,144.70x = 4,136,979,217.05 × 2,413,612,376.70 - Step 4: Simplify right side
2,757,986,144.70x = 9,985,064,240,422,555,648 - Step 5: Solve for x
x = 9,985,064,240,422,555,648/2,757,986,144.70 - Step 6: Final answer
x = 3,620,418,565.05
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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.