Finding the Fourth Proportional to 275,180,327.44, 379,737,390.68 and 149,733,016
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Solution
The fourth proportional to 275,180,327.44, 379,737,390.68 and 149,733,016 is: 206,625,325.74
Step by Step Solution
- Step 1: Write the proportion equation
275,180,327.44 : 379,737,390.68 = 149,733,016 : x - Step 2: Convert to fraction form
275,180,327.44/379,737,390.68 = 149,733,016/x - Step 3: Cross multiply
275,180,327.44x = 379,737,390.68 × 149,733,016 - Step 4: Simplify right side
275,180,327.44x = 56,859,224,793,738,024 - Step 5: Solve for x
x = 56,859,224,793,738,024/275,180,327.44 - Step 6: Final answer
x = 206,625,325.74
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1.5x scale
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.