Finding the Fourth Proportional to 661,566,201.70, 992,349,302.55 and 661,566,201.70
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Solution
The fourth proportional to 661,566,201.70, 992,349,302.55 and 661,566,201.70 is: 992,349,302.55
Step by Step Solution
- Step 1: Write the proportion equation
661,566,201.70 : 992,349,302.55 = 661,566,201.70 : x - Step 2: Convert to fraction form
661,566,201.70/992,349,302.55 = 661,566,201.70/x - Step 3: Cross multiply
661,566,201.70x = 992,349,302.55 × 661,566,201.70 - Step 4: Simplify right side
661,566,201.70x = 656,504,758,847,647,616 - Step 5: Solve for x
x = 656,504,758,847,647,616/661,566,201.70 - Step 6: Final answer
x = 992,349,302.55
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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.