Finding the Fourth Proportional to 319,797,676.40, 441,322,201.86 and 173,119,960.40
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Solution
The fourth proportional to 319,797,676.40, 441,322,201.86 and 173,119,960.40 is: 238,906,307.79
Step by Step Solution
- Step 1: Write the proportion equation
319,797,676.40 : 441,322,201.86 = 173,119,960.40 : x - Step 2: Convert to fraction form
319,797,676.40/441,322,201.86 = 173,119,960.40/x - Step 3: Cross multiply
319,797,676.40x = 441,322,201.86 × 173,119,960.40 - Step 4: Simplify right side
319,797,676.40x = 76,401,682,109,644,016 - Step 5: Solve for x
x = 76,401,682,109,644,016/319,797,676.40 - Step 6: Final answer
x = 238,906,307.79
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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.