Finding the Fourth Proportional to 3,998,349,771.01, 5,517,896,129.33 and 2,214,203,224.30
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Solution
The fourth proportional to 3,998,349,771.01, 5,517,896,129.33 and 2,214,203,224.30 is: 3,055,696,499.96
Step by Step Solution
- Step 1: Write the proportion equation
3,998,349,771.01 : 5,517,896,129.33 = 2,214,203,224.30 : x - Step 2: Convert to fraction form
3,998,349,771.01/5,517,896,129.33 = 2,214,203,224.30/x - Step 3: Cross multiply
3,998,349,771.01x = 5,517,896,129.33 × 2,214,203,224.30 - Step 4: Simplify right side
3,998,349,771.01x = 12,217,743,400,895,647,744 - Step 5: Solve for x
x = 12,217,743,400,895,647,744/3,998,349,771.01 - Step 6: Final answer
x = 3,055,696,499.96
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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.