Finding the Fourth Proportional to 5,747,202,817.20, 8,620,804,225.80 and 4,369,707,745.20
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Solution
The fourth proportional to 5,747,202,817.20, 8,620,804,225.80 and 4,369,707,745.20 is: 6,554,561,617.80
Step by Step Solution
- Step 1: Write the proportion equation
5,747,202,817.20 : 8,620,804,225.80 = 4,369,707,745.20 : x - Step 2: Convert to fraction form
5,747,202,817.20/8,620,804,225.80 = 4,369,707,745.20/x - Step 3: Cross multiply
5,747,202,817.20x = 8,620,804,225.80 × 4,369,707,745.20 - Step 4: Simplify right side
5,747,202,817.20x = 37,670,394,995,331,145,728 - Step 5: Solve for x
x = 37,670,394,995,331,145,728/5,747,202,817.20 - Step 6: Final answer
x = 6,554,561,617.80
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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.