Finding the Fourth Proportional to 6,321,545,559.74, 9,479,215,472.12 and 3,127,123,283.90
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Solution
The fourth proportional to 6,321,545,559.74, 9,479,215,472.12 and 3,127,123,283.90 is: 4,689,150,008.63
Step by Step Solution
- Step 1: Write the proportion equation
6,321,545,559.74 : 9,479,215,472.12 = 3,127,123,283.90 : x - Step 2: Convert to fraction form
6,321,545,559.74/9,479,215,472.12 = 3,127,123,283.90/x - Step 3: Cross multiply
6,321,545,559.74x = 9,479,215,472.12 × 3,127,123,283.90 - Step 4: Simplify right side
6,321,545,559.74x = 29,642,675,415,986,745,344 - Step 5: Solve for x
x = 29,642,675,415,986,745,344/6,321,545,559.74 - Step 6: Final answer
x = 4,689,150,008.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.