Finding the Fourth Proportional to 5,519,123,874.41, 7,616,352,201.23 and 3,012,997,586.09
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Solution
The fourth proportional to 5,519,123,874.41, 7,616,352,201.23 and 3,012,997,586.09 is: 4,157,915,516.90
Step by Step Solution
- Step 1: Write the proportion equation
5,519,123,874.41 : 7,616,352,201.23 = 3,012,997,586.09 : x - Step 2: Convert to fraction form
5,519,123,874.41/7,616,352,201.23 = 3,012,997,586.09/x - Step 3: Cross multiply
5,519,123,874.41x = 7,616,352,201.23 × 3,012,997,586.09 - Step 4: Simplify right side
5,519,123,874.41x = 22,948,050,797,102,186,496 - Step 5: Solve for x
x = 22,948,050,797,102,186,496/5,519,123,874.41 - Step 6: Final answer
x = 4,157,915,516.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.