Finding the Fourth Proportional to 1,728,290,471.41, 2,592,217,035.19 and 547,882,328.71
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Solution
The fourth proportional to 1,728,290,471.41, 2,592,217,035.19 and 547,882,328.71 is: 821,754,172.26
Step by Step Solution
- Step 1: Write the proportion equation
1,728,290,471.41 : 2,592,217,035.19 = 547,882,328.71 : x - Step 2: Convert to fraction form
1,728,290,471.41/2,592,217,035.19 = 547,882,328.71/x - Step 3: Cross multiply
1,728,290,471.41x = 2,592,217,035.19 × 547,882,328.71 - Step 4: Simplify right side
1,728,290,471.41x = 1,420,229,905,761,629,440 - Step 5: Solve for x
x = 1,420,229,905,761,629,440/1,728,290,471.41 - Step 6: Final answer
x = 821,754,172.26
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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.