Finding the Fourth Proportional to 486,989,593.55, 672,027,627.97 and 263,966,486.75
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Solution
The fourth proportional to 486,989,593.55, 672,027,627.97 and 263,966,486.75 is: 364,263,989.01
Step by Step Solution
- Step 1: Write the proportion equation
486,989,593.55 : 672,027,627.97 = 263,966,486.75 : x - Step 2: Convert to fraction form
486,989,593.55/672,027,627.97 = 263,966,486.75/x - Step 3: Cross multiply
486,989,593.55x = 672,027,627.97 × 263,966,486.75 - Step 4: Simplify right side
486,989,593.55x = 177,392,771,950,156,864 - Step 5: Solve for x
x = 177,392,771,950,156,864/486,989,593.55 - Step 6: Final answer
x = 364,263,989.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.