Finding the Fourth Proportional to 332,991,027.20, 499,486,540.80 and 327,889,193.60
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Solution
The fourth proportional to 332,991,027.20, 499,486,540.80 and 327,889,193.60 is: 491,833,790.40
Step by Step Solution
- Step 1: Write the proportion equation
332,991,027.20 : 499,486,540.80 = 327,889,193.60 : x - Step 2: Convert to fraction form
332,991,027.20/499,486,540.80 = 327,889,193.60/x - Step 3: Cross multiply
332,991,027.20x = 499,486,540.80 × 327,889,193.60 - Step 4: Simplify right side
332,991,027.20x = 163,776,239,076,965,504 - Step 5: Solve for x
x = 163,776,239,076,965,504/332,991,027.20 - Step 6: Final answer
x = 491,833,790.40
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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.