Finding the Fourth Proportional to 263,473,357.70, 394,926,601.35 and 99,647,812.10
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Solution
The fourth proportional to 263,473,357.70, 394,926,601.35 and 99,647,812.10 is: 149,364,520.60
Step by Step Solution
- Step 1: Write the proportion equation
263,473,357.70 : 394,926,601.35 = 99,647,812.10 : x - Step 2: Convert to fraction form
263,473,357.70/394,926,601.35 = 99,647,812.10/x - Step 3: Cross multiply
263,473,357.70x = 394,926,601.35 × 99,647,812.10 - Step 4: Simplify right side
263,473,357.70x = 39,353,571,764,616,408 - Step 5: Solve for x
x = 39,353,571,764,616,408/263,473,357.70 - Step 6: Final answer
x = 149,364,520.60
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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.