Finding the Fourth Proportional to 365,385,392.07, 504,231,295.84 and 198,121,349.49
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Solution
The fourth proportional to 365,385,392.07, 504,231,295.84 and 198,121,349.49 is: 273,407,166.67
Step by Step Solution
- Step 1: Write the proportion equation
365,385,392.07 : 504,231,295.84 = 198,121,349.49 : x - Step 2: Convert to fraction form
365,385,392.07/504,231,295.84 = 198,121,349.49/x - Step 3: Cross multiply
365,385,392.07x = 504,231,295.84 × 198,121,349.49 - Step 4: Simplify right side
365,385,392.07x = 99,898,984,786,912,224 - Step 5: Solve for x
x = 99,898,984,786,912,224/365,385,392.07 - Step 6: Final answer
x = 273,407,166.67
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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.