Finding the Fourth Proportional to 300,848,858.12, 415,257,517.62 and 177,161,279.80
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Solution
The fourth proportional to 300,848,858.12, 415,257,517.62 and 177,161,279.80 is: 244,533,264.07
Step by Step Solution
- Step 1: Write the proportion equation
300,848,858.12 : 415,257,517.62 = 177,161,279.80 : x - Step 2: Convert to fraction form
300,848,858.12/415,257,517.62 = 177,161,279.80/x - Step 3: Cross multiply
300,848,858.12x = 415,257,517.62 × 177,161,279.80 - Step 4: Simplify right side
300,848,858.12x = 73,567,553,268,130,256 - Step 5: Solve for x
x = 73,567,553,268,130,256/300,848,858.12 - Step 6: Final answer
x = 244,533,264.07
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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.