Finding the Fourth Proportional to 3,253,923,871.35, 4,485,875,765.81 and 2,182,418,680.53
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Solution
The fourth proportional to 3,253,923,871.35, 4,485,875,765.81 and 2,182,418,680.53 is: 3,008,693,336.70
Step by Step Solution
- Step 1: Write the proportion equation
3,253,923,871.35 : 4,485,875,765.81 = 2,182,418,680.53 : x - Step 2: Convert to fraction form
3,253,923,871.35/4,485,875,765.81 = 2,182,418,680.53/x - Step 3: Cross multiply
3,253,923,871.35x = 4,485,875,765.81 × 2,182,418,680.53 - Step 4: Simplify right side
3,253,923,871.35x = 9,790,059,069,846,697,984 - Step 5: Solve for x
x = 9,790,059,069,846,697,984/3,253,923,871.35 - Step 6: Final answer
x = 3,008,693,336.70
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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.