Finding the Fourth Proportional to 210,782,518, 290,879,874.84 and 114,313,526
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Solution
The fourth proportional to 210,782,518, 290,879,874.84 and 114,313,526 is: 157,752,665.88
Step by Step Solution
- Step 1: Write the proportion equation
210,782,518 : 290,879,874.84 = 114,313,526 : x - Step 2: Convert to fraction form
210,782,518/290,879,874.84 = 114,313,526/x - Step 3: Cross multiply
210,782,518x = 290,879,874.84 × 114,313,526 - Step 4: Simplify right side
210,782,518x = 33,251,504,135,399,084 - Step 5: Solve for x
x = 33,251,504,135,399,084/210,782,518 - Step 6: Final answer
x = 157,752,665.88
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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.