Finding the Fourth Proportional to 2,541,933,798.99, 3,507,779,173.47 and 1,397,491,571.40
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Solution
The fourth proportional to 2,541,933,798.99, 3,507,779,173.47 and 1,397,491,571.40 is: 1,928,489,180.64
Step by Step Solution
- Step 1: Write the proportion equation
2,541,933,798.99 : 3,507,779,173.47 = 1,397,491,571.40 : x - Step 2: Convert to fraction form
2,541,933,798.99/3,507,779,173.47 = 1,397,491,571.40/x - Step 3: Cross multiply
2,541,933,798.99x = 3,507,779,173.47 × 1,397,491,571.40 - Step 4: Simplify right side
2,541,933,798.99x = 4,902,091,829,256,783,872 - Step 5: Solve for x
x = 4,902,091,829,256,783,872/2,541,933,798.99 - Step 6: Final answer
x = 1,928,489,180.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.