Finding the Fourth Proportional to 477,119,217.92, 715,599,103.42 and 132,107,720.72
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Solution
The fourth proportional to 477,119,217.92, 715,599,103.42 and 132,107,720.72 is: 198,139,506.76
Step by Step Solution
- Step 1: Write the proportion equation
477,119,217.92 : 715,599,103.42 = 132,107,720.72 : x - Step 2: Convert to fraction form
477,119,217.92/715,599,103.42 = 132,107,720.72/x - Step 3: Cross multiply
477,119,217.92x = 715,599,103.42 × 132,107,720.72 - Step 4: Simplify right side
477,119,217.92x = 94,536,166,502,091,744 - Step 5: Solve for x
x = 94,536,166,502,091,744/477,119,217.92 - Step 6: Final answer
x = 198,139,506.76
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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.