Finding the Fourth Proportional to 365,385,390.57, 504,231,293.77 and 198,121,347.99
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Solution
The fourth proportional to 365,385,390.57, 504,231,293.77 and 198,121,347.99 is: 273,407,164.59
Step by Step Solution
- Step 1: Write the proportion equation
365,385,390.57 : 504,231,293.77 = 198,121,347.99 : x - Step 2: Convert to fraction form
365,385,390.57/504,231,293.77 = 198,121,347.99/x - Step 3: Cross multiply
365,385,390.57x = 504,231,293.77 × 198,121,347.99 - Step 4: Simplify right side
365,385,390.57x = 99,898,983,619,958,784 - Step 5: Solve for x
x = 99,898,983,619,958,784/365,385,390.57 - Step 6: Final answer
x = 273,407,164.59
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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.