Finding the Fourth Proportional to 1,353,154,183.40, 2,029,920,231.90 and 576,793,677.80
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Solution
The fourth proportional to 1,353,154,183.40, 2,029,920,231.90 and 576,793,677.80 is: 865,271,061.17
Step by Step Solution
- Step 1: Write the proportion equation
1,353,154,183.40 : 2,029,920,231.90 = 576,793,677.80 : x - Step 2: Convert to fraction form
1,353,154,183.40/2,029,920,231.90 = 576,793,677.80/x - Step 3: Cross multiply
1,353,154,183.40x = 2,029,920,231.90 × 576,793,677.80 - Step 4: Simplify right side
1,353,154,183.40x = 1,170,845,156,198,229,760 - Step 5: Solve for x
x = 1,170,845,156,198,229,760/1,353,154,183.40 - Step 6: Final answer
x = 865,271,061.17
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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.