Finding the Fourth Proportional to 348,868,244.36, 481,448,446.58 and 192,245,440.34
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Solution
The fourth proportional to 348,868,244.36, 481,448,446.58 and 192,245,440.34 is: 265,304,366.65
Step by Step Solution
- Step 1: Write the proportion equation
348,868,244.36 : 481,448,446.58 = 192,245,440.34 : x - Step 2: Convert to fraction form
348,868,244.36/481,448,446.58 = 192,245,440.34/x - Step 3: Cross multiply
348,868,244.36x = 481,448,446.58 × 192,245,440.34 - Step 4: Simplify right side
348,868,244.36x = 92,556,268,613,781,072 - Step 5: Solve for x
x = 92,556,268,613,781,072/348,868,244.36 - Step 6: Final answer
x = 265,304,366.65
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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.