Finding the Fourth Proportional to 1,028,639,401.92, 1,542,954,903.84 and 373,589,161.92
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Solution
The fourth proportional to 1,028,639,401.92, 1,542,954,903.84 and 373,589,161.92 is: 560,382,217.84
Step by Step Solution
- Step 1: Write the proportion equation
1,028,639,401.92 : 1,542,954,903.84 = 373,589,161.92 : x - Step 2: Convert to fraction form
1,028,639,401.92/1,542,954,903.84 = 373,589,161.92/x - Step 3: Cross multiply
1,028,639,401.92x = 1,542,954,903.84 × 373,589,161.92 - Step 4: Simplify right side
1,028,639,401.92x = 576,431,229,405,939,776 - Step 5: Solve for x
x = 576,431,229,405,939,776/1,028,639,401.92 - Step 6: Final answer
x = 560,382,217.84
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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.