Finding the Fourth Proportional to 415,934,112.03, 574,007,010.66 and 230,295,144.12
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Solution
The fourth proportional to 415,934,112.03, 574,007,010.66 and 230,295,144.12 is: 317,817,229.75
Step by Step Solution
- Step 1: Write the proportion equation
415,934,112.03 : 574,007,010.66 = 230,295,144.12 : x - Step 2: Convert to fraction form
415,934,112.03/574,007,010.66 = 230,295,144.12/x - Step 3: Cross multiply
415,934,112.03x = 574,007,010.66 × 230,295,144.12 - Step 4: Simplify right side
415,934,112.03x = 132,191,027,245,835,072 - Step 5: Solve for x
x = 132,191,027,245,835,072/415,934,112.03 - Step 6: Final answer
x = 317,817,229.75
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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.