Finding the Fourth Proportional to 5,351,267,669.28, 8,026,982,226.09 and 1,857,784,115.49
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Solution
The fourth proportional to 5,351,267,669.28, 8,026,982,226.09 and 1,857,784,115.49 is: 2,786,704,197.32
Step by Step Solution
- Step 1: Write the proportion equation
5,351,267,669.28 : 8,026,982,226.09 = 1,857,784,115.49 : x - Step 2: Convert to fraction form
5,351,267,669.28/8,026,982,226.09 = 1,857,784,115.49/x - Step 3: Cross multiply
5,351,267,669.28x = 8,026,982,226.09 × 1,857,784,115.49 - Step 4: Simplify right side
5,351,267,669.28x = 14,912,400,074,950,561,792 - Step 5: Solve for x
x = 14,912,400,074,950,561,792/5,351,267,669.28 - Step 6: Final answer
x = 2,786,704,197.32
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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.