Finding the Fourth Proportional to 416,364,845.42, 574,586,887.47 and 230,728,960.46
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Solution
The fourth proportional to 416,364,845.42, 574,586,887.47 and 230,728,960.46 is: 318,407,849.99
Step by Step Solution
- Step 1: Write the proportion equation
416,364,845.42 : 574,586,887.47 = 230,728,960.46 : x - Step 2: Convert to fraction form
416,364,845.42/574,586,887.47 = 230,728,960.46/x - Step 3: Cross multiply
416,364,845.42x = 574,586,887.47 × 230,728,960.46 - Step 4: Simplify right side
416,364,845.42x = 132,573,835,239,900,112 - Step 5: Solve for x
x = 132,573,835,239,900,112/416,364,845.42 - Step 6: Final answer
x = 318,407,849.99
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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.