Finding the Fourth Proportional to 709,504,583.83, 972,005,042.48 and 682,977,760.99
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Solution
The fourth proportional to 709,504,583.83, 972,005,042.48 and 682,977,760.99 is: 935,663,902.26
Step by Step Solution
- Step 1: Write the proportion equation
709,504,583.83 : 972,005,042.48 = 682,977,760.99 : x - Step 2: Convert to fraction form
709,504,583.83/972,005,042.48 = 682,977,760.99/x - Step 3: Cross multiply
709,504,583.83x = 972,005,042.48 × 682,977,760.99 - Step 4: Simplify right side
709,504,583.83x = 663,857,827,575,705,344 - Step 5: Solve for x
x = 663,857,827,575,705,344/709,504,583.83 - Step 6: Final answer
x = 935,663,902.26
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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.