Finding the Fourth Proportional to 6,126,422,399.46, 9,192,306,572.70 and 2,145,363,850.70
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Solution
The fourth proportional to 6,126,422,399.46, 9,192,306,572.70 and 2,145,363,850.70 is: 3,218,981,803.70
Step by Step Solution
- Step 1: Write the proportion equation
6,126,422,399.46 : 9,192,306,572.70 = 2,145,363,850.70 : x - Step 2: Convert to fraction form
6,126,422,399.46/9,192,306,572.70 = 2,145,363,850.70/x - Step 3: Cross multiply
6,126,422,399.46x = 9,192,306,572.70 × 2,145,363,850.70 - Step 4: Simplify right side
6,126,422,399.46x = 19,720,842,225,622,593,536 - Step 5: Solve for x
x = 19,720,842,225,622,593,536/6,126,422,399.46 - Step 6: Final answer
x = 3,218,981,803.70
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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.