Finding the Fourth Proportional to 3,816,307,364.20, 5,720,209,518.30 and 1,486,470,020.20
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Solution
The fourth proportional to 3,816,307,364.20, 5,720,209,518.30 and 1,486,470,020.20 is: 2,228,049,039.75
Step by Step Solution
- Step 1: Write the proportion equation
3,816,307,364.20 : 5,720,209,518.30 = 1,486,470,020.20 : x - Step 2: Convert to fraction form
3,816,307,364.20/5,720,209,518.30 = 1,486,470,020.20/x - Step 3: Cross multiply
3,816,307,364.20x = 5,720,209,518.30 × 1,486,470,020.20 - Step 4: Simplify right side
3,816,307,364.20x = 8,502,919,958,215,633,920 - Step 5: Solve for x
x = 8,502,919,958,215,633,920/3,816,307,364.20 - Step 6: Final answer
x = 2,228,049,039.75
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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.