Finding the Fourth Proportional to 629,468,377.40, 944,202,566.10 and 591,173,132.60
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Solution
The fourth proportional to 629,468,377.40, 944,202,566.10 and 591,173,132.60 is: 886,759,698.90
Step by Step Solution
- Step 1: Write the proportion equation
629,468,377.40 : 944,202,566.10 = 591,173,132.60 : x - Step 2: Convert to fraction form
629,468,377.40/944,202,566.10 = 591,173,132.60/x - Step 3: Cross multiply
629,468,377.40x = 944,202,566.10 × 591,173,132.60 - Step 4: Simplify right side
629,468,377.40x = 558,187,188,810,295,616 - Step 5: Solve for x
x = 558,187,188,810,295,616/629,468,377.40 - Step 6: Final answer
x = 886,759,698.90
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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.