Finding the Fourth Proportional to 313,322,452.01, 432,395,350.50 and 172,198,674.69
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Solution
The fourth proportional to 313,322,452.01, 432,395,350.50 and 172,198,674.69 is: 237,639,868.52
Step by Step Solution
- Step 1: Write the proportion equation
313,322,452.01 : 432,395,350.50 = 172,198,674.69 : x - Step 2: Convert to fraction form
313,322,452.01/432,395,350.50 = 172,198,674.69/x - Step 3: Cross multiply
313,322,452.01x = 432,395,350.50 × 172,198,674.69 - Step 4: Simplify right side
313,322,452.01x = 74,457,906,298,218,032 - Step 5: Solve for x
x = 74,457,906,298,218,032/313,322,452.01 - Step 6: Final answer
x = 237,639,868.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.