Finding the Fourth Proportional to 481,198,077.09, 664,035,565.01 and 261,176,779.17
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Solution
The fourth proportional to 481,198,077.09, 664,035,565.01 and 261,176,779.17 is: 360,414,304.17
Step by Step Solution
- Step 1: Write the proportion equation
481,198,077.09 : 664,035,565.01 = 261,176,779.17 : x - Step 2: Convert to fraction form
481,198,077.09/664,035,565.01 = 261,176,779.17/x - Step 3: Cross multiply
481,198,077.09x = 664,035,565.01 × 261,176,779.17 - Step 4: Simplify right side
481,198,077.09x = 173,430,670,122,337,056 - Step 5: Solve for x
x = 173,430,670,122,337,056/481,198,077.09 - Step 6: Final answer
x = 360,414,304.17
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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.