Finding the Fourth Proportional to 816,115,536.40, 1,224,332,736.90 and 324,745,187.80
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Solution
The fourth proportional to 816,115,536.40, 1,224,332,736.90 and 324,745,187.80 is: 487,181,222.32
Step by Step Solution
- Step 1: Write the proportion equation
816,115,536.40 : 1,224,332,736.90 = 324,745,187.80 : x - Step 2: Convert to fraction form
816,115,536.40/1,224,332,736.90 = 324,745,187.80/x - Step 3: Cross multiply
816,115,536.40x = 1,224,332,736.90 × 324,745,187.80 - Step 4: Simplify right side
816,115,536.40x = 397,596,164,574,278,528 - Step 5: Solve for x
x = 397,596,164,574,278,528/816,115,536.40 - Step 6: Final answer
x = 487,181,222.32
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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.