Finding the Fourth Proportional to 422,577,029.10, 633,865,543.65 and 192,994,517.10
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Solution
The fourth proportional to 422,577,029.10, 633,865,543.65 and 192,994,517.10 is: 289,491,775.65
Step by Step Solution
- Step 1: Write the proportion equation
422,577,029.10 : 633,865,543.65 = 192,994,517.10 : x - Step 2: Convert to fraction form
422,577,029.10/633,865,543.65 = 192,994,517.10/x - Step 3: Cross multiply
422,577,029.10x = 633,865,543.65 × 192,994,517.10 - Step 4: Simplify right side
422,577,029.10x = 122,332,574,503,060,720 - Step 5: Solve for x
x = 122,332,574,503,060,720/422,577,029.10 - Step 6: Final answer
x = 289,491,775.65
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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.