Finding the Fourth Proportional to 270,418,440.67, 405,627,030.21 and 177,631,107.44
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Solution
The fourth proportional to 270,418,440.67, 405,627,030.21 and 177,631,107.44 is: 266,446,246.80
Step by Step Solution
- Step 1: Write the proportion equation
270,418,440.67 : 405,627,030.21 = 177,631,107.44 : x - Step 2: Convert to fraction form
270,418,440.67/405,627,030.21 = 177,631,107.44/x - Step 3: Cross multiply
270,418,440.67x = 405,627,030.21 × 177,631,107.44 - Step 4: Simplify right side
270,418,440.67x = 72,051,978,582,438,616 - Step 5: Solve for x
x = 72,051,978,582,438,616/270,418,440.67 - Step 6: Final answer
x = 266,446,246.80
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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.