Finding the Fourth Proportional to 378,203,245.70, 567,304,868.55 and 232,163,258.90
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Solution
The fourth proportional to 378,203,245.70, 567,304,868.55 and 232,163,258.90 is: 348,244,888.35
Step by Step Solution
- Step 1: Write the proportion equation
378,203,245.70 : 567,304,868.55 = 232,163,258.90 : x - Step 2: Convert to fraction form
378,203,245.70/567,304,868.55 = 232,163,258.90/x - Step 3: Cross multiply
378,203,245.70x = 567,304,868.55 × 232,163,258.90 - Step 4: Simplify right side
378,203,245.70x = 131,707,347,072,404,112 - Step 5: Solve for x
x = 131,707,347,072,404,112/378,203,245.70 - Step 6: Final answer
x = 348,244,888.35
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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.