Finding the Fourth Proportional to 263,612,325.08, 395,440,005.84 and 132,387,112.70
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Solution
The fourth proportional to 263,612,325.08, 395,440,005.84 and 132,387,112.70 is: 198,591,475.58
Step by Step Solution
- Step 1: Write the proportion equation
263,612,325.08 : 395,440,005.84 = 132,387,112.70 : x - Step 2: Convert to fraction form
263,612,325.08/395,440,005.84 = 132,387,112.70/x - Step 3: Cross multiply
263,612,325.08x = 395,440,005.84 × 132,387,112.70 - Step 4: Simplify right side
263,612,325.08x = 52,351,160,619,228,736 - Step 5: Solve for x
x = 52,351,160,619,228,736/263,612,325.08 - Step 6: Final answer
x = 198,591,475.58
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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.