Finding the Fourth Proportional to 755,282,861.99, 1,034,741,212.17 and 726,975,067.31
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Solution
The fourth proportional to 755,282,861.99, 1,034,741,212.17 and 726,975,067.31 is: 995,959,395.12
Step by Step Solution
- Step 1: Write the proportion equation
755,282,861.99 : 1,034,741,212.17 = 726,975,067.31 : x - Step 2: Convert to fraction form
755,282,861.99/1,034,741,212.17 = 726,975,067.31/x - Step 3: Cross multiply
755,282,861.99x = 1,034,741,212.17 × 726,975,067.31 - Step 4: Simplify right side
755,282,861.99x = 752,231,062,368,303,616 - Step 5: Solve for x
x = 752,231,062,368,303,616/755,282,861.99 - Step 6: Final answer
x = 995,959,395.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.