Finding the Fourth Proportional to 263,263,138.80, 394,894,708.20 and 186,735,634.80
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Solution
The fourth proportional to 263,263,138.80, 394,894,708.20 and 186,735,634.80 is: 280,103,452.20
Step by Step Solution
- Step 1: Write the proportion equation
263,263,138.80 : 394,894,708.20 = 186,735,634.80 : x - Step 2: Convert to fraction form
263,263,138.80/394,894,708.20 = 186,735,634.80/x - Step 3: Cross multiply
263,263,138.80x = 394,894,708.20 × 186,735,634.80 - Step 4: Simplify right side
263,263,138.80x = 73,740,914,014,887,760 - Step 5: Solve for x
x = 73,740,914,014,887,760/263,263,138.80 - Step 6: Final answer
x = 280,103,452.20
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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.