Finding the Fourth Proportional to 777,266,755.68, 1,166,104,627.56 and 279,327,574.92
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Solution
The fourth proportional to 777,266,755.68, 1,166,104,627.56 and 279,327,574.92 is: 419,064,851.72
Step by Step Solution
- Step 1: Write the proportion equation
777,266,755.68 : 1,166,104,627.56 = 279,327,574.92 : x - Step 2: Convert to fraction form
777,266,755.68/1,166,104,627.56 = 279,327,574.92/x - Step 3: Cross multiply
777,266,755.68x = 1,166,104,627.56 × 279,327,574.92 - Step 4: Simplify right side
777,266,755.68x = 325,725,177,719,324,608 - Step 5: Solve for x
x = 325,725,177,719,324,608/777,266,755.68 - Step 6: Final answer
x = 419,064,851.72
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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.