Finding the Fourth Proportional to 2,196,491,992.19, 3,031,345,892.12 and 1,244,042,163.53
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Solution
The fourth proportional to 2,196,491,992.19, 3,031,345,892.12 and 1,244,042,163.53 is: 1,716,884,065.79
Step by Step Solution
- Step 1: Write the proportion equation
2,196,491,992.19 : 3,031,345,892.12 = 1,244,042,163.53 : x - Step 2: Convert to fraction form
2,196,491,992.19/3,031,345,892.12 = 1,244,042,163.53/x - Step 3: Cross multiply
2,196,491,992.19x = 3,031,345,892.12 × 1,244,042,163.53 - Step 4: Simplify right side
2,196,491,992.19x = 3,771,122,102,019,365,888 - Step 5: Solve for x
x = 3,771,122,102,019,365,888/2,196,491,992.19 - Step 6: Final answer
x = 1,716,884,065.79
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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.