Finding the Fourth Proportional to 2,852,352,046.20, 4,278,528,069.30 and 2,457,810,247.80
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Solution
The fourth proportional to 2,852,352,046.20, 4,278,528,069.30 and 2,457,810,247.80 is: 3,686,715,371.70
Step by Step Solution
- Step 1: Write the proportion equation
2,852,352,046.20 : 4,278,528,069.30 = 2,457,810,247.80 : x - Step 2: Convert to fraction form
2,852,352,046.20/4,278,528,069.30 = 2,457,810,247.80/x - Step 3: Cross multiply
2,852,352,046.20x = 4,278,528,069.30 × 2,457,810,247.80 - Step 4: Simplify right side
2,852,352,046.20x = 10,515,810,134,225,489,920 - Step 5: Solve for x
x = 10,515,810,134,225,489,920/2,852,352,046.20 - Step 6: Final answer
x = 3,686,715,371.70
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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.