Finding the Fourth Proportional to 327,456,472.05, 491,184,708.08 and 163,719,499.95
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Solution
The fourth proportional to 327,456,472.05, 491,184,708.08 and 163,719,499.95 is: 245,579,249.93
Step by Step Solution
- Step 1: Write the proportion equation
327,456,472.05 : 491,184,708.08 = 163,719,499.95 : x - Step 2: Convert to fraction form
327,456,472.05/491,184,708.08 = 163,719,499.95/x - Step 3: Cross multiply
327,456,472.05x = 491,184,708.08 × 163,719,499.95 - Step 4: Simplify right side
327,456,472.05x = 80,416,514,789,125,712 - Step 5: Solve for x
x = 80,416,514,789,125,712/327,456,472.05 - Step 6: Final answer
x = 245,579,249.93
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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.