Finding the Fourth Proportional to 725,180,966.72, 1,087,770,087.45 and 227,229,600.99
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Solution
The fourth proportional to 725,180,966.72, 1,087,770,087.45 and 227,229,600.99 is: 340,843,974.52
Step by Step Solution
- Step 1: Write the proportion equation
725,180,966.72 : 1,087,770,087.45 = 227,229,600.99 : x - Step 2: Convert to fraction form
725,180,966.72/1,087,770,087.45 = 227,229,600.99/x - Step 3: Cross multiply
725,180,966.72x = 1,087,770,087.45 × 227,229,600.99 - Step 4: Simplify right side
725,180,966.72x = 247,173,562,940,120,928 - Step 5: Solve for x
x = 247,173,562,940,120,928/725,180,966.72 - Step 6: Final answer
x = 340,843,974.52
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1.5x scale
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.