Finding the Fourth Proportional to 303,529,292.82, 455,263,298.31 and 205,788,573.99
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Solution
The fourth proportional to 303,529,292.82, 455,263,298.31 and 205,788,573.99 is: 308,662,086.87
Step by Step Solution
- Step 1: Write the proportion equation
303,529,292.82 : 455,263,298.31 = 205,788,573.99 : x - Step 2: Convert to fraction form
303,529,292.82/455,263,298.31 = 205,788,573.99/x - Step 3: Cross multiply
303,529,292.82x = 455,263,298.31 × 205,788,573.99 - Step 4: Simplify right side
303,529,292.82x = 93,687,984,949,198,880 - Step 5: Solve for x
x = 93,687,984,949,198,880/303,529,292.82 - Step 6: Final answer
x = 308,662,086.87
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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.