Finding the Fourth Proportional to 708,588,755.80, 1,062,883,133.70 and 682,760,723.20
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Solution
The fourth proportional to 708,588,755.80, 1,062,883,133.70 and 682,760,723.20 is: 1,024,141,084.80
Step by Step Solution
- Step 1: Write the proportion equation
708,588,755.80 : 1,062,883,133.70 = 682,760,723.20 : x - Step 2: Convert to fraction form
708,588,755.80/1,062,883,133.70 = 682,760,723.20/x - Step 3: Cross multiply
708,588,755.80x = 1,062,883,133.70 × 682,760,723.20 - Step 4: Simplify right side
708,588,755.80x = 725,694,857,042,094,336 - Step 5: Solve for x
x = 725,694,857,042,094,336/708,588,755.80 - Step 6: Final answer
x = 1,024,141,084.80
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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.