Finding the Fourth Proportional to 366,070,317.96, 505,175,313.60 and 198,805,408.68
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Solution
The fourth proportional to 366,070,317.96, 505,175,313.60 and 198,805,408.68 is: 274,350,527.07
Step by Step Solution
- Step 1: Write the proportion equation
366,070,317.96 : 505,175,313.60 = 198,805,408.68 : x - Step 2: Convert to fraction form
366,070,317.96/505,175,313.60 = 198,805,408.68/x - Step 3: Cross multiply
366,070,317.96x = 505,175,313.60 × 198,805,408.68 - Step 4: Simplify right side
366,070,317.96x = 100,431,584,675,295,168 - Step 5: Solve for x
x = 100,431,584,675,295,168/366,070,317.96 - Step 6: Final answer
x = 274,350,527.07
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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.