Finding the Fourth Proportional to 2,997,617,396.76, 4,137,144,921.24 and 1,727,215,161.48
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Solution
The fourth proportional to 2,997,617,396.76, 4,137,144,921.24 and 1,727,215,161.48 is: 2,383,806,365.99
Step by Step Solution
- Step 1: Write the proportion equation
2,997,617,396.76 : 4,137,144,921.24 = 1,727,215,161.48 : x - Step 2: Convert to fraction form
2,997,617,396.76/4,137,144,921.24 = 1,727,215,161.48/x - Step 3: Cross multiply
2,997,617,396.76x = 4,137,144,921.24 × 1,727,215,161.48 - Step 4: Simplify right side
2,997,617,396.76x = 7,145,739,433,205,707,776 - Step 5: Solve for x
x = 7,145,739,433,205,707,776/2,997,617,396.76 - Step 6: Final answer
x = 2,383,806,365.99
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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.