Finding the Fourth Proportional to 2,757,986,427.70, 4,136,979,641.55 and 2,413,612,659.70
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Solution
The fourth proportional to 2,757,986,427.70, 4,136,979,641.55 and 2,413,612,659.70 is: 3,620,418,989.55
Step by Step Solution
- Step 1: Write the proportion equation
2,757,986,427.70 : 4,136,979,641.55 = 2,413,612,659.70 : x - Step 2: Convert to fraction form
2,757,986,427.70/4,136,979,641.55 = 2,413,612,659.70/x - Step 3: Cross multiply
2,757,986,427.70x = 4,136,979,641.55 × 2,413,612,659.70 - Step 4: Simplify right side
2,757,986,427.70x = 9,985,066,435,766,247,424 - Step 5: Solve for x
x = 9,985,066,435,766,247,424/2,757,986,427.70 - Step 6: Final answer
x = 3,620,418,989.55
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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.