Finding the Fourth Proportional to 738,088,511.70, 1,107,132,767.55 and 594,761,279.70
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Solution
The fourth proportional to 738,088,511.70, 1,107,132,767.55 and 594,761,279.70 is: 892,141,919.55
Step by Step Solution
- Step 1: Write the proportion equation
738,088,511.70 : 1,107,132,767.55 = 594,761,279.70 : x - Step 2: Convert to fraction form
738,088,511.70/1,107,132,767.55 = 594,761,279.70/x - Step 3: Cross multiply
738,088,511.70x = 1,107,132,767.55 × 594,761,279.70 - Step 4: Simplify right side
738,088,511.70x = 658,479,701,625,840,640 - Step 5: Solve for x
x = 658,479,701,625,840,640/738,088,511.70 - Step 6: Final answer
x = 892,141,919.55
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Double scale
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Similar ratio
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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.