Finding the Fourth Proportional to 3,492,474,650.24, 4,819,634,593.43 and 1,987,100,964.77
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Solution
The fourth proportional to 3,492,474,650.24, 4,819,634,593.43 and 1,987,100,964.77 is: 2,742,210,469.52
Step by Step Solution
- Step 1: Write the proportion equation
3,492,474,650.24 : 4,819,634,593.43 = 1,987,100,964.77 : x - Step 2: Convert to fraction form
3,492,474,650.24/4,819,634,593.43 = 1,987,100,964.77/x - Step 3: Cross multiply
3,492,474,650.24x = 4,819,634,593.43 × 1,987,100,964.77 - Step 4: Simplify right side
3,492,474,650.24x = 9,577,100,550,409,586,688 - Step 5: Solve for x
x = 9,577,100,550,409,586,688/3,492,474,650.24 - Step 6: Final answer
x = 2,742,210,469.52
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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.