Finding the Fourth Proportional to 756,660,182.18, 1,135,317,939.75 and 406,497,693.11
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Solution
The fourth proportional to 756,660,182.18, 1,135,317,939.75 and 406,497,693.11 is: 609,922,570.69
Step by Step Solution
- Step 1: Write the proportion equation
756,660,182.18 : 1,135,317,939.75 = 406,497,693.11 : x - Step 2: Convert to fraction form
756,660,182.18/1,135,317,939.75 = 406,497,693.11/x - Step 3: Cross multiply
756,660,182.18x = 1,135,317,939.75 × 406,497,693.11 - Step 4: Simplify right side
756,660,182.18x = 461,504,123,449,096,384 - Step 5: Solve for x
x = 461,504,123,449,096,384/756,660,182.18 - Step 6: Final answer
x = 609,922,570.69
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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.