Finding the Fourth Proportional to 629,856,794.70, 944,785,192.05 and 604,347,626.70
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Solution
The fourth proportional to 629,856,794.70, 944,785,192.05 and 604,347,626.70 is: 906,521,440.05
Step by Step Solution
- Step 1: Write the proportion equation
629,856,794.70 : 944,785,192.05 = 604,347,626.70 : x - Step 2: Convert to fraction form
629,856,794.70/944,785,192.05 = 604,347,626.70/x - Step 3: Cross multiply
629,856,794.70x = 944,785,192.05 × 604,347,626.70 - Step 4: Simplify right side
629,856,794.70x = 570,978,688,556,721,216 - Step 5: Solve for x
x = 570,978,688,556,721,216/629,856,794.70 - Step 6: Final answer
x = 906,521,440.05
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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.