Finding the Fourth Proportional to 438,936,218.99, 658,240,287.57 and 176,532,201.62
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Solution
The fourth proportional to 438,936,218.99, 658,240,287.57 and 176,532,201.62 is: 264,732,328.14
Step by Step Solution
- Step 1: Write the proportion equation
438,936,218.99 : 658,240,287.57 = 176,532,201.62 : x - Step 2: Convert to fraction form
438,936,218.99/658,240,287.57 = 176,532,201.62/x - Step 3: Cross multiply
438,936,218.99x = 658,240,287.57 × 176,532,201.62 - Step 4: Simplify right side
438,936,218.99x = 116,200,607,159,714,032 - Step 5: Solve for x
x = 116,200,607,159,714,032/438,936,218.99 - Step 6: Final answer
x = 264,732,328.14
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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.