Finding the Fourth Proportional to 366,984,021.10, 550,476,031.65 and 221,865,198.70
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Solution
The fourth proportional to 366,984,021.10, 550,476,031.65 and 221,865,198.70 is: 332,797,798.05
Step by Step Solution
- Step 1: Write the proportion equation
366,984,021.10 : 550,476,031.65 = 221,865,198.70 : x - Step 2: Convert to fraction form
366,984,021.10/550,476,031.65 = 221,865,198.70/x - Step 3: Cross multiply
366,984,021.10x = 550,476,031.65 × 221,865,198.70 - Step 4: Simplify right side
366,984,021.10x = 122,131,474,141,614,720 - Step 5: Solve for x
x = 122,131,474,141,614,720/366,984,021.10 - Step 6: Final answer
x = 332,797,798.05
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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.