Finding the Fourth Proportional to 1,889,568,794.26, 2,607,601,086.57 and 1,054,143,542.26
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Solution
The fourth proportional to 1,889,568,794.26, 2,607,601,086.57 and 1,054,143,542.26 is: 1,454,715,940.77
Step by Step Solution
- Step 1: Write the proportion equation
1,889,568,794.26 : 2,607,601,086.57 = 1,054,143,542.26 : x - Step 2: Convert to fraction form
1,889,568,794.26/2,607,601,086.57 = 1,054,143,542.26/x - Step 3: Cross multiply
1,889,568,794.26x = 2,607,601,086.57 × 1,054,143,542.26 - Step 4: Simplify right side
1,889,568,794.26x = 2,748,785,846,197,924,864 - Step 5: Solve for x
x = 2,748,785,846,197,924,864/1,889,568,794.26 - Step 6: Final answer
x = 1,454,715,940.77
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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.