Finding the Fourth Proportional to 252,425,461.87, 378,758,105.30 and 174,821,789.84
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Solution
The fourth proportional to 252,425,461.87, 378,758,105.30 and 174,821,789.84 is: 262,315,732.32
Step by Step Solution
- Step 1: Write the proportion equation
252,425,461.87 : 378,758,105.30 = 174,821,789.84 : x - Step 2: Convert to fraction form
252,425,461.87/378,758,105.30 = 174,821,789.84/x - Step 3: Cross multiply
252,425,461.87x = 378,758,105.30 × 174,821,789.84 - Step 4: Simplify right side
252,425,461.87x = 66,215,169,886,337,144 - Step 5: Solve for x
x = 66,215,169,886,337,144/252,425,461.87 - Step 6: Final answer
x = 262,315,732.32
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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.