Finding the Fourth Proportional to 397,442,112.32, 596,418,258.34 and 192,858,584.96
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Solution
The fourth proportional to 397,442,112.32, 596,418,258.34 and 192,858,584.96 is: 289,411,659.67
Step by Step Solution
- Step 1: Write the proportion equation
397,442,112.32 : 596,418,258.34 = 192,858,584.96 : x - Step 2: Convert to fraction form
397,442,112.32/596,418,258.34 = 192,858,584.96/x - Step 3: Cross multiply
397,442,112.32x = 596,418,258.34 × 192,858,584.96 - Step 4: Simplify right side
397,442,112.32x = 115,024,381,347,760,128 - Step 5: Solve for x
x = 115,024,381,347,760,128/397,442,112.32 - Step 6: Final answer
x = 289,411,659.67
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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.