Finding the Fourth Proportional to 472,416,246.70, 708,624,370.05 and 264,941,680.30
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Solution
The fourth proportional to 472,416,246.70, 708,624,370.05 and 264,941,680.30 is: 397,412,520.45
Step by Step Solution
- Step 1: Write the proportion equation
472,416,246.70 : 708,624,370.05 = 264,941,680.30 : x - Step 2: Convert to fraction form
472,416,246.70/708,624,370.05 = 264,941,680.30/x - Step 3: Cross multiply
472,416,246.70x = 708,624,370.05 × 264,941,680.30 - Step 4: Simplify right side
472,416,246.70x = 187,744,131,302,576,000 - Step 5: Solve for x
x = 187,744,131,302,576,000/472,416,246.70 - Step 6: Final answer
x = 397,412,520.45
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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.