Finding the Fourth Proportional to 276,477,452.96, 414,385,504.97 and 128,725,832.48
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Solution
The fourth proportional to 276,477,452.96, 414,385,504.97 and 128,725,832.48 is: 192,934,789.16
Step by Step Solution
- Step 1: Write the proportion equation
276,477,452.96 : 414,385,504.97 = 128,725,832.48 : x - Step 2: Convert to fraction form
276,477,452.96/414,385,504.97 = 128,725,832.48/x - Step 3: Cross multiply
276,477,452.96x = 414,385,504.97 × 128,725,832.48 - Step 4: Simplify right side
276,477,452.96x = 53,342,119,092,192,864 - Step 5: Solve for x
x = 53,342,119,092,192,864/276,477,452.96 - Step 6: Final answer
x = 192,934,789.16
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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.