Finding the Fourth Proportional to 522,534,582.36, 721,084,452.12 and 284,369,643
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Solution
The fourth proportional to 522,534,582.36, 721,084,452.12 and 284,369,643 is: 392,422,884.81
Step by Step Solution
- Step 1: Write the proportion equation
522,534,582.36 : 721,084,452.12 = 284,369,643 : x - Step 2: Convert to fraction form
522,534,582.36/721,084,452.12 = 284,369,643/x - Step 3: Cross multiply
522,534,582.36x = 721,084,452.12 × 284,369,643 - Step 4: Simplify right side
522,534,582.36x = 205,054,528,222,215,008 - Step 5: Solve for x
x = 205,054,528,222,215,008/522,534,582.36 - Step 6: Final answer
x = 392,422,884.81
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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.