Finding the Fourth Proportional to 397,570,827.48, 548,641,190.70 and 232,586,346.84
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Solution
The fourth proportional to 397,570,827.48, 548,641,190.70 and 232,586,346.84 is: 320,965,326.05
Step by Step Solution
- Step 1: Write the proportion equation
397,570,827.48 : 548,641,190.70 = 232,586,346.84 : x - Step 2: Convert to fraction form
397,570,827.48/548,641,190.70 = 232,586,346.84/x - Step 3: Cross multiply
397,570,827.48x = 548,641,190.70 × 232,586,346.84 - Step 4: Simplify right side
397,570,827.48x = 127,606,450,270,860,800 - Step 5: Solve for x
x = 127,606,450,270,860,800/397,570,827.48 - Step 6: Final answer
x = 320,965,326.05
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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.