Finding the Fourth Proportional to 457,276,020.96, 631,028,623.68 and 269,115,385.44
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Solution
The fourth proportional to 457,276,020.96, 631,028,623.68 and 269,115,385.44 is: 371,372,001.81
Step by Step Solution
- Step 1: Write the proportion equation
457,276,020.96 : 631,028,623.68 = 269,115,385.44 : x - Step 2: Convert to fraction form
457,276,020.96/631,028,623.68 = 269,115,385.44/x - Step 3: Cross multiply
457,276,020.96x = 631,028,623.68 × 269,115,385.44 - Step 4: Simplify right side
457,276,020.96x = 169,819,511,285,315,904 - Step 5: Solve for x
x = 169,819,511,285,315,904/457,276,020.96 - Step 6: Final answer
x = 371,372,001.81
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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.