Finding the Fourth Proportional to 285,599,446.49, 394,183,758.77 and 185,252,243.08
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Solution
The fourth proportional to 285,599,446.49, 394,183,758.77 and 185,252,243.08 is: 255,684,758.48
Step by Step Solution
- Step 1: Write the proportion equation
285,599,446.49 : 394,183,758.77 = 185,252,243.08 : x - Step 2: Convert to fraction form
285,599,446.49/394,183,758.77 = 185,252,243.08/x - Step 3: Cross multiply
285,599,446.49x = 394,183,758.77 × 185,252,243.08 - Step 4: Simplify right side
285,599,446.49x = 73,023,425,498,411,200 - Step 5: Solve for x
x = 73,023,425,498,411,200/285,599,446.49 - Step 6: Final answer
x = 255,684,758.48
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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.