Finding the Fourth Proportional to 352,351,131.09, 486,134,861.64 and 203,618,067.03
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Solution
The fourth proportional to 352,351,131.09, 486,134,861.64 and 203,618,067.03 is: 280,929,539.06
Step by Step Solution
- Step 1: Write the proportion equation
352,351,131.09 : 486,134,861.64 = 203,618,067.03 : x - Step 2: Convert to fraction form
352,351,131.09/486,134,861.64 = 203,618,067.03/x - Step 3: Cross multiply
352,351,131.09x = 486,134,861.64 × 203,618,067.03 - Step 4: Simplify right side
352,351,131.09x = 98,985,840,843,033,296 - Step 5: Solve for x
x = 98,985,840,843,033,296/352,351,131.09 - Step 6: Final answer
x = 280,929,539.06
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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.