Finding the Fourth Proportional to 701,955,205.25, 969,707,197.80 and 560,640,891.29
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Solution
The fourth proportional to 701,955,205.25, 969,707,197.80 and 560,640,891.29 is: 774,490,314.48
Step by Step Solution
- Step 1: Write the proportion equation
701,955,205.25 : 969,707,197.80 = 560,640,891.29 : x - Step 2: Convert to fraction form
701,955,205.25/969,707,197.80 = 560,640,891.29/x - Step 3: Cross multiply
701,955,205.25x = 969,707,197.80 × 560,640,891.29 - Step 4: Simplify right side
701,955,205.25x = 543,657,507,660,071,744 - Step 5: Solve for x
x = 543,657,507,660,071,744/701,955,205.25 - Step 6: Final answer
x = 774,490,314.48
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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.