Finding the Fourth Proportional to 5,177,720,391.76, 7,765,730,282.03 and 2,229,206,204.44
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Solution
The fourth proportional to 5,177,720,391.76, 7,765,730,282.03 and 2,229,206,204.44 is: 3,343,443,217.64
Step by Step Solution
- Step 1: Write the proportion equation
5,177,720,391.76 : 7,765,730,282.03 = 2,229,206,204.44 : x - Step 2: Convert to fraction form
5,177,720,391.76/7,765,730,282.03 = 2,229,206,204.44/x - Step 3: Cross multiply
5,177,720,391.76x = 7,765,730,282.03 × 2,229,206,204.44 - Step 4: Simplify right side
5,177,720,391.76x = 17,311,414,126,670,036,992 - Step 5: Solve for x
x = 17,311,414,126,670,036,992/5,177,720,391.76 - Step 6: Final answer
x = 3,343,443,217.64
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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.