Finding the Fourth Proportional to 438,936,247.08, 658,240,329.42 and 176,532,229.58
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Solution
The fourth proportional to 438,936,247.08, 658,240,329.42 and 176,532,229.58 is: 264,732,369.96
Step by Step Solution
- Step 1: Write the proportion equation
438,936,247.08 : 658,240,329.42 = 176,532,229.58 : x - Step 2: Convert to fraction form
438,936,247.08/658,240,329.42 = 176,532,229.58/x - Step 3: Cross multiply
438,936,247.08x = 658,240,329.42 × 176,532,229.58 - Step 4: Simplify right side
438,936,247.08x = 116,200,632,948,695,056 - Step 5: Solve for x
x = 116,200,632,948,695,056/438,936,247.08 - Step 6: Final answer
x = 264,732,369.96
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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.