Finding the Fourth Proportional to 327,468,000.80, 491,202,001.20 and 163,731,028.70
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Solution
The fourth proportional to 327,468,000.80, 491,202,001.20 and 163,731,028.70 is: 245,596,543.05
Step by Step Solution
- Step 1: Write the proportion equation
327,468,000.80 : 491,202,001.20 = 163,731,028.70 : x - Step 2: Convert to fraction form
327,468,000.80/491,202,001.20 = 163,731,028.70/x - Step 3: Cross multiply
327,468,000.80x = 491,202,001.20 × 163,731,028.70 - Step 4: Simplify right side
327,468,000.80x = 80,425,008,955,974,624 - Step 5: Solve for x
x = 80,425,008,955,974,624/327,468,000.80 - Step 6: Final answer
x = 245,596,543.05
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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.