Finding the Fourth Proportional to 629,865,861.70, 944,798,792.55 and 629,865,861.70
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Solution
The fourth proportional to 629,865,861.70, 944,798,792.55 and 629,865,861.70 is: 944,798,792.55
Step by Step Solution
- Step 1: Write the proportion equation
629,865,861.70 : 944,798,792.55 = 629,865,861.70 : x - Step 2: Convert to fraction form
629,865,861.70/944,798,792.55 = 629,865,861.70/x - Step 3: Cross multiply
629,865,861.70x = 944,798,792.55 × 629,865,861.70 - Step 4: Simplify right side
629,865,861.70x = 595,096,505,602,625,280 - Step 5: Solve for x
x = 595,096,505,602,625,280/629,865,861.70 - Step 6: Final answer
x = 944,798,792.55
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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.