Finding the Fourth Proportional to 3,244,734,398.27, 4,866,420,574.11 and 915,126,570.20
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Solution
The fourth proportional to 3,244,734,398.27, 4,866,420,574.11 and 915,126,570.20 is: 1,372,497,783.33
Step by Step Solution
- Step 1: Write the proportion equation
3,244,734,398.27 : 4,866,420,574.11 = 915,126,570.20 : x - Step 2: Convert to fraction form
3,244,734,398.27/4,866,420,574.11 = 915,126,570.20/x - Step 3: Cross multiply
3,244,734,398.27x = 4,866,420,574.11 × 915,126,570.20 - Step 4: Simplify right side
3,244,734,398.27x = 4,453,390,769,135,998,976 - Step 5: Solve for x
x = 4,453,390,769,135,998,976/3,244,734,398.27 - Step 6: Final answer
x = 1,372,497,783.33
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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.