Finding the Fourth Proportional to 3,665,542,330.26, 5,058,614,988.18 and 2,160,232,213.14
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Solution
The fourth proportional to 3,665,542,330.26, 5,058,614,988.18 and 2,160,232,213.14 is: 2,981,218,621.08
Step by Step Solution
- Step 1: Write the proportion equation
3,665,542,330.26 : 5,058,614,988.18 = 2,160,232,213.14 : x - Step 2: Convert to fraction form
3,665,542,330.26/5,058,614,988.18 = 2,160,232,213.14/x - Step 3: Cross multiply
3,665,542,330.26x = 5,058,614,988.18 × 2,160,232,213.14 - Step 4: Simplify right side
3,665,542,330.26x = 10,927,783,051,339,255,808 - Step 5: Solve for x
x = 10,927,783,051,339,255,808/3,665,542,330.26 - Step 6: Final answer
x = 2,981,218,621.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.