Finding the Fourth Proportional to 3,108,213,907.74, 4,664,738,581.37 and 2,169,438,074.28
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Solution
The fourth proportional to 3,108,213,907.74, 4,664,738,581.37 and 2,169,438,074.28 is: 3,255,844,605.73
Step by Step Solution
- Step 1: Write the proportion equation
3,108,213,907.74 : 4,664,738,581.37 = 2,169,438,074.28 : x - Step 2: Convert to fraction form
3,108,213,907.74/4,664,738,581.37 = 2,169,438,074.28/x - Step 3: Cross multiply
3,108,213,907.74x = 4,664,738,581.37 × 2,169,438,074.28 - Step 4: Simplify right side
3,108,213,907.74x = 10,119,861,484,952,780,800 - Step 5: Solve for x
x = 10,119,861,484,952,780,800/3,108,213,907.74 - Step 6: Final answer
x = 3,255,844,605.73
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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.