Finding the Fourth Proportional to 1,891,177,375.20, 2,836,766,062.80 and 664,345,826.70
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Solution
The fourth proportional to 1,891,177,375.20, 2,836,766,062.80 and 664,345,826.70 is: 996,518,740.05
Step by Step Solution
- Step 1: Write the proportion equation
1,891,177,375.20 : 2,836,766,062.80 = 664,345,826.70 : x - Step 2: Convert to fraction form
1,891,177,375.20/2,836,766,062.80 = 664,345,826.70/x - Step 3: Cross multiply
1,891,177,375.20x = 2,836,766,062.80 × 664,345,826.70 - Step 4: Simplify right side
1,891,177,375.20x = 1,884,593,695,145,370,368 - Step 5: Solve for x
x = 1,884,593,695,145,370,368/1,891,177,375.20 - Step 6: Final answer
x = 996,518,740.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.