Finding the Fourth Proportional to 7,561,008,091.30, 11,341,512,136.95 and 2,040,257,265.70
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Solution
The fourth proportional to 7,561,008,091.30, 11,341,512,136.95 and 2,040,257,265.70 is: 3,060,385,898.55
Step by Step Solution
- Step 1: Write the proportion equation
7,561,008,091.30 : 11,341,512,136.95 = 2,040,257,265.70 : x - Step 2: Convert to fraction form
7,561,008,091.30/11,341,512,136.95 = 2,040,257,265.70/x - Step 3: Cross multiply
7,561,008,091.30x = 11,341,512,136.95 × 2,040,257,265.70 - Step 4: Simplify right side
7,561,008,091.30x = 23,139,602,541,436,973,056 - Step 5: Solve for x
x = 23,139,602,541,436,973,056/7,561,008,091.30 - Step 6: Final answer
x = 3,060,385,898.55
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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.