Finding the Fourth Proportional to 2,797,211,359.72, 3,860,132,039.37 and 1,527,052,343.31
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Solution
The fourth proportional to 2,797,211,359.72, 3,860,132,039.37 and 1,527,052,343.31 is: 2,107,321,513.52
Step by Step Solution
- Step 1: Write the proportion equation
2,797,211,359.72 : 3,860,132,039.37 = 1,527,052,343.31 : x - Step 2: Convert to fraction form
2,797,211,359.72/3,860,132,039.37 = 1,527,052,343.31/x - Step 3: Cross multiply
2,797,211,359.72x = 3,860,132,039.37 × 1,527,052,343.31 - Step 4: Simplify right side
2,797,211,359.72x = 5,894,623,676,186,667,008 - Step 5: Solve for x
x = 5,894,623,676,186,667,008/2,797,211,359.72 - Step 6: Final answer
x = 2,107,321,513.52
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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.