Finding the Fourth Proportional to 557,680,861.80, 836,521,292.70 and 194,175,217.80
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Solution
The fourth proportional to 557,680,861.80, 836,521,292.70 and 194,175,217.80 is: 291,262,826.70
Step by Step Solution
- Step 1: Write the proportion equation
557,680,861.80 : 836,521,292.70 = 194,175,217.80 : x - Step 2: Convert to fraction form
557,680,861.80/836,521,292.70 = 194,175,217.80/x - Step 3: Cross multiply
557,680,861.80x = 836,521,292.70 × 194,175,217.80 - Step 4: Simplify right side
557,680,861.80x = 162,431,704,204,360,064 - Step 5: Solve for x
x = 162,431,704,204,360,064/557,680,861.80 - Step 6: Final answer
x = 291,262,826.70
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1.5x scale
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.