Finding the Fourth Proportional to 1,717,612,981.20, 2,576,419,471.80 and 1,451,561,806.80
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Solution
The fourth proportional to 1,717,612,981.20, 2,576,419,471.80 and 1,451,561,806.80 is: 2,177,342,710.20
Step by Step Solution
- Step 1: Write the proportion equation
1,717,612,981.20 : 2,576,419,471.80 = 1,451,561,806.80 : x - Step 2: Convert to fraction form
1,717,612,981.20/2,576,419,471.80 = 1,451,561,806.80/x - Step 3: Cross multiply
1,717,612,981.20x = 2,576,419,471.80 × 1,451,561,806.80 - Step 4: Simplify right side
1,717,612,981.20x = 3,739,832,103,560,709,632 - Step 5: Solve for x
x = 3,739,832,103,560,709,632/1,717,612,981.20 - Step 6: Final answer
x = 2,177,342,710.20
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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.