Finding the Fourth Proportional to 2,479,325,892.18, 3,421,624,473.12 and 1,365,491,691.06
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Solution
The fourth proportional to 2,479,325,892.18, 3,421,624,473.12 and 1,365,491,691.06 is: 1,884,463,757.96
Step by Step Solution
- Step 1: Write the proportion equation
2,479,325,892.18 : 3,421,624,473.12 = 1,365,491,691.06 : x - Step 2: Convert to fraction form
2,479,325,892.18/3,421,624,473.12 = 1,365,491,691.06/x - Step 3: Cross multiply
2,479,325,892.18x = 3,421,624,473.12 × 1,365,491,691.06 - Step 4: Simplify right side
2,479,325,892.18x = 4,672,199,787,972,910,080 - Step 5: Solve for x
x = 4,672,199,787,972,910,080/2,479,325,892.18 - Step 6: Final answer
x = 1,884,463,757.96
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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.