Finding the Fourth Proportional to 494,144,778.96, 681,917,716.44 and 274,128,204.96
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Solution
The fourth proportional to 494,144,778.96, 681,917,716.44 and 274,128,204.96 is: 378,295,769.78
Step by Step Solution
- Step 1: Write the proportion equation
494,144,778.96 : 681,917,716.44 = 274,128,204.96 : x - Step 2: Convert to fraction form
494,144,778.96/681,917,716.44 = 274,128,204.96/x - Step 3: Cross multiply
494,144,778.96x = 681,917,716.44 × 274,128,204.96 - Step 4: Simplify right side
494,144,778.96x = 186,932,879,538,119,488 - Step 5: Solve for x
x = 186,932,879,538,119,488/494,144,778.96 - Step 6: Final answer
x = 378,295,769.78
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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.