Finding the Fourth Proportional to 6,787,074,850.44, 9,366,016,491.12 and 3,929,337,576.48
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Solution
The fourth proportional to 6,787,074,850.44, 9,366,016,491.12 and 3,929,337,576.48 is: 5,422,400,865.09
Step by Step Solution
- Step 1: Write the proportion equation
6,787,074,850.44 : 9,366,016,491.12 = 3,929,337,576.48 : x - Step 2: Convert to fraction form
6,787,074,850.44/9,366,016,491.12 = 3,929,337,576.48/x - Step 3: Cross multiply
6,787,074,850.44x = 9,366,016,491.12 × 3,929,337,576.48 - Step 4: Simplify right side
6,787,074,850.44x = 36,802,240,540,489,179,136 - Step 5: Solve for x
x = 36,802,240,540,489,179,136/6,787,074,850.44 - Step 6: Final answer
x = 5,422,400,865.09
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1.5x scale
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.