Finding the Fourth Proportional to 3,320,830,715.51, 4,982,504,149.11 and 1,993,785,485.26
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Solution
The fourth proportional to 3,320,830,715.51, 4,982,504,149.11 and 1,993,785,485.26 is: 2,991,433,560.99
Step by Step Solution
- Step 1: Write the proportion equation
3,320,830,715.51 : 4,982,504,149.11 = 1,993,785,485.26 : x - Step 2: Convert to fraction form
3,320,830,715.51/4,982,504,149.11 = 1,993,785,485.26/x - Step 3: Cross multiply
3,320,830,715.51x = 4,982,504,149.11 × 1,993,785,485.26 - Step 4: Simplify right side
3,320,830,715.51x = 9,934,044,452,743,243,776 - Step 5: Solve for x
x = 9,934,044,452,743,243,776/3,320,830,715.51 - Step 6: Final answer
x = 2,991,433,560.99
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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.