Finding the Fourth Proportional to 252,425,581.64, 378,758,284.76 and 174,821,909.62
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Solution
The fourth proportional to 252,425,581.64, 378,758,284.76 and 174,821,909.62 is: 262,315,911.87
Step by Step Solution
- Step 1: Write the proportion equation
252,425,581.64 : 378,758,284.76 = 174,821,909.62 : x - Step 2: Convert to fraction form
252,425,581.64/378,758,284.76 = 174,821,909.62/x - Step 3: Cross multiply
252,425,581.64x = 378,758,284.76 × 174,821,909.62 - Step 4: Simplify right side
252,425,581.64x = 66,215,246,626,138,944 - Step 5: Solve for x
x = 66,215,246,626,138,944/252,425,581.64 - Step 6: Final answer
x = 262,315,911.87
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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.