Finding the Fourth Proportional to 853,025,478.58, 1,279,391,902.68 and 270,629,912.26
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Solution
The fourth proportional to 853,025,478.58, 1,279,391,902.68 and 270,629,912.26 is: 405,898,448.60
Step by Step Solution
- Step 1: Write the proportion equation
853,025,478.58 : 1,279,391,902.68 = 270,629,912.26 : x - Step 2: Convert to fraction form
853,025,478.58/1,279,391,902.68 = 270,629,912.26/x - Step 3: Cross multiply
853,025,478.58x = 1,279,391,902.68 × 270,629,912.26 - Step 4: Simplify right side
853,025,478.58x = 346,241,718,368,442,880 - Step 5: Solve for x
x = 346,241,718,368,442,880/853,025,478.58 - Step 6: Final answer
x = 405,898,448.60
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1.5x scale
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.