Finding the Fourth Proportional to 756,660,150.68, 1,135,317,892.41 and 406,497,661.65
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Solution
The fourth proportional to 756,660,150.68, 1,135,317,892.41 and 406,497,661.65 is: 609,922,523.45
Step by Step Solution
- Step 1: Write the proportion equation
756,660,150.68 : 1,135,317,892.41 = 406,497,661.65 : x - Step 2: Convert to fraction form
756,660,150.68/1,135,317,892.41 = 406,497,661.65/x - Step 3: Cross multiply
756,660,150.68x = 1,135,317,892.41 × 406,497,661.65 - Step 4: Simplify right side
756,660,150.68x = 461,504,068,494,071,296 - Step 5: Solve for x
x = 461,504,068,494,071,296/756,660,150.68 - Step 6: Final answer
x = 609,922,523.45
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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.