Finding the Fourth Proportional to 11,123,785,842.99, 15,352,140,471.99 and 6,607,682,738.54
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Solution
The fourth proportional to 11,123,785,842.99, 15,352,140,471.99 and 6,607,682,738.54 is: 9,119,383,906.54
Step by Step Solution
- Step 1: Write the proportion equation
11,123,785,842.99 : 15,352,140,471.99 = 6,607,682,738.54 : x - Step 2: Convert to fraction form
11,123,785,842.99/15,352,140,471.99 = 6,607,682,738.54/x - Step 3: Cross multiply
11,123,785,842.99x = 15,352,140,471.99 × 6,607,682,738.54 - Step 4: Simplify right side
11,123,785,842.99x = 101,442,073,596,363,259,904 - Step 5: Solve for x
x = 101,442,073,596,363,259,904/11,123,785,842.99 - Step 6: Final answer
x = 9,119,383,906.54
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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.