Finding the Fourth Proportional to 7,394,489,785, 10,205,491,164.24 and 4,682,009,737
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Solution
The fourth proportional to 7,394,489,785, 10,205,491,164.24 and 4,682,009,737 is: 6,461,866,929.45
Step by Step Solution
- Step 1: Write the proportion equation
7,394,489,785 : 10,205,491,164.24 = 4,682,009,737 : x - Step 2: Convert to fraction form
7,394,489,785/10,205,491,164.24 = 4,682,009,737/x - Step 3: Cross multiply
7,394,489,785x = 10,205,491,164.24 × 4,682,009,737 - Step 4: Simplify right side
7,394,489,785x = 47,782,209,001,839,149,056 - Step 5: Solve for x
x = 47,782,209,001,839,149,056/7,394,489,785 - Step 6: Final answer
x = 6,461,866,929.45
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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.