Finding the Fourth Proportional to 366,070,309.96, 505,175,302.56 and 198,805,400.68
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Solution
The fourth proportional to 366,070,309.96, 505,175,302.56 and 198,805,400.68 is: 274,350,516.03
Step by Step Solution
- Step 1: Write the proportion equation
366,070,309.96 : 505,175,302.56 = 198,805,400.68 : x - Step 2: Convert to fraction form
366,070,309.96/505,175,302.56 = 198,805,400.68/x - Step 3: Cross multiply
366,070,309.96x = 505,175,302.56 × 198,805,400.68 - Step 4: Simplify right side
366,070,309.96x = 100,431,578,439,081,040 - Step 5: Solve for x
x = 100,431,578,439,081,040/366,070,309.96 - Step 6: Final answer
x = 274,350,516.03
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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.