Finding the Fourth Proportional to 272,874,748.62, 409,524,378.18 and 190,458,214.56
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Solution
The fourth proportional to 272,874,748.62, 409,524,378.18 and 190,458,214.56 is: 285,835,469.50
Step by Step Solution
- Step 1: Write the proportion equation
272,874,748.62 : 409,524,378.18 = 190,458,214.56 : x - Step 2: Convert to fraction form
272,874,748.62/409,524,378.18 = 190,458,214.56/x - Step 3: Cross multiply
272,874,748.62x = 409,524,378.18 × 190,458,214.56 - Step 4: Simplify right side
272,874,748.62x = 77,997,281,886,957,024 - Step 5: Solve for x
x = 77,997,281,886,957,024/272,874,748.62 - Step 6: Final answer
x = 285,835,469.50
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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.