Finding the Fourth Proportional to 306,073,824.40, 459,110,736.60 and 168,324,317.20
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Solution
The fourth proportional to 306,073,824.40, 459,110,736.60 and 168,324,317.20 is: 252,486,475.80
Step by Step Solution
- Step 1: Write the proportion equation
306,073,824.40 : 459,110,736.60 = 168,324,317.20 : x - Step 2: Convert to fraction form
306,073,824.40/459,110,736.60 = 168,324,317.20/x - Step 3: Cross multiply
306,073,824.40x = 459,110,736.60 × 168,324,317.20 - Step 4: Simplify right side
306,073,824.40x = 77,279,501,257,384,048 - Step 5: Solve for x
x = 77,279,501,257,384,048/306,073,824.40 - Step 6: Final answer
x = 252,486,475.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.