Finding the Fourth Proportional to 852,529,546.20, 1,278,794,319.30 and 577,030,531.80
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Solution
The fourth proportional to 852,529,546.20, 1,278,794,319.30 and 577,030,531.80 is: 865,545,797.70
Step by Step Solution
- Step 1: Write the proportion equation
852,529,546.20 : 1,278,794,319.30 = 577,030,531.80 : x - Step 2: Convert to fraction form
852,529,546.20/1,278,794,319.30 = 577,030,531.80/x - Step 3: Cross multiply
852,529,546.20x = 1,278,794,319.30 × 577,030,531.80 - Step 4: Simplify right side
852,529,546.20x = 737,903,366,128,497,920 - Step 5: Solve for x
x = 737,903,366,128,497,920/852,529,546.20 - Step 6: Final answer
x = 865,545,797.70
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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.