Finding the Fourth Proportional to 244,972,276.80, 367,458,415.20 and 202,456,996.80
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Solution
The fourth proportional to 244,972,276.80, 367,458,415.20 and 202,456,996.80 is: 303,685,495.20
Step by Step Solution
- Step 1: Write the proportion equation
244,972,276.80 : 367,458,415.20 = 202,456,996.80 : x - Step 2: Convert to fraction form
244,972,276.80/367,458,415.20 = 202,456,996.80/x - Step 3: Cross multiply
244,972,276.80x = 367,458,415.20 × 202,456,996.80 - Step 4: Simplify right side
244,972,276.80x = 74,394,527,190,279,472 - Step 5: Solve for x
x = 74,394,527,190,279,472/244,972,276.80 - Step 6: Final answer
x = 303,685,495.20
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1.5x scale
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.