Finding the Fourth Proportional to 278,524,777.94, 384,204,107.84 and 173,921,265.62
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Solution
The fourth proportional to 278,524,777.94, 384,204,107.84 and 173,921,265.62 is: 239,911,383.06
Step by Step Solution
- Step 1: Write the proportion equation
278,524,777.94 : 384,204,107.84 = 173,921,265.62 : x - Step 2: Convert to fraction form
278,524,777.94/384,204,107.84 = 173,921,265.62/x - Step 3: Cross multiply
278,524,777.94x = 384,204,107.84 × 173,921,265.62 - Step 4: Simplify right side
278,524,777.94x = 66,821,264,691,935,760 - Step 5: Solve for x
x = 66,821,264,691,935,760/278,524,777.94 - Step 6: Final answer
x = 239,911,383.06
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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.