Finding the Fourth Proportional to 438,936,217.99, 658,240,286.07 and 176,532,200.62
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Solution
The fourth proportional to 438,936,217.99, 658,240,286.07 and 176,532,200.62 is: 264,732,326.64
Step by Step Solution
- Step 1: Write the proportion equation
438,936,217.99 : 658,240,286.07 = 176,532,200.62 : x - Step 2: Convert to fraction form
438,936,217.99/658,240,286.07 = 176,532,200.62/x - Step 3: Cross multiply
438,936,217.99x = 658,240,286.07 × 176,532,200.62 - Step 4: Simplify right side
438,936,217.99x = 116,200,606,236,675,440 - Step 5: Solve for x
x = 116,200,606,236,675,440/438,936,217.99 - Step 6: Final answer
x = 264,732,326.64
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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.