Finding the Fourth Proportional to 2,479,325,881.68, 3,421,624,458.60 and 1,365,491,680.56
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Solution
The fourth proportional to 2,479,325,881.68, 3,421,624,458.60 and 1,365,491,680.56 is: 1,884,463,743.45
Step by Step Solution
- Step 1: Write the proportion equation
2,479,325,881.68 : 3,421,624,458.60 = 1,365,491,680.56 : x - Step 2: Convert to fraction form
2,479,325,881.68/3,421,624,458.60 = 1,365,491,680.56/x - Step 3: Cross multiply
2,479,325,881.68x = 3,421,624,458.60 × 1,365,491,680.56 - Step 4: Simplify right side
2,479,325,881.68x = 4,672,199,732,218,913,792 - Step 5: Solve for x
x = 4,672,199,732,218,913,792/2,479,325,881.68 - Step 6: Final answer
x = 1,884,463,743.45
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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.