Finding the Fourth Proportional to 884,932,861.80, 1,327,399,292.70 and 797,256,906.60
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Solution
The fourth proportional to 884,932,861.80, 1,327,399,292.70 and 797,256,906.60 is: 1,195,885,359.90
Step by Step Solution
- Step 1: Write the proportion equation
884,932,861.80 : 1,327,399,292.70 = 797,256,906.60 : x - Step 2: Convert to fraction form
884,932,861.80/1,327,399,292.70 = 797,256,906.60/x - Step 3: Cross multiply
884,932,861.80x = 1,327,399,292.70 × 797,256,906.60 - Step 4: Simplify right side
884,932,861.80x = 1,058,278,253,921,030,016 - Step 5: Solve for x
x = 1,058,278,253,921,030,016/884,932,861.80 - Step 6: Final answer
x = 1,195,885,359.90
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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.