Finding the Fourth Proportional to 311,174,923.97, 429,445,874.16 and 177,218,504.69
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Solution
The fourth proportional to 311,174,923.97, 429,445,874.16 and 177,218,504.69 is: 244,575,477.65
Step by Step Solution
- Step 1: Write the proportion equation
311,174,923.97 : 429,445,874.16 = 177,218,504.69 : x - Step 2: Convert to fraction form
311,174,923.97/429,445,874.16 = 177,218,504.69/x - Step 3: Cross multiply
311,174,923.97x = 429,445,874.16 × 177,218,504.69 - Step 4: Simplify right side
311,174,923.97x = 76,105,755,661,777,888 - Step 5: Solve for x
x = 76,105,755,661,777,888/311,174,923.97 - Step 6: Final answer
x = 244,575,477.65
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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.