Finding the Fourth Proportional to 743,691,469.00, 1,115,673,405.24 and 306,753,798.75
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Solution
The fourth proportional to 743,691,469.00, 1,115,673,405.24 and 306,753,798.75 is: 460,186,877.87
Step by Step Solution
- Step 1: Write the proportion equation
743,691,469.00 : 1,115,673,405.24 = 306,753,798.75 : x - Step 2: Convert to fraction form
743,691,469.00/1,115,673,405.24 = 306,753,798.75/x - Step 3: Cross multiply
743,691,469.00x = 1,115,673,405.24 × 306,753,798.75 - Step 4: Simplify right side
743,691,469.00x = 342,237,055,220,273,088 - Step 5: Solve for x
x = 342,237,055,220,273,088/743,691,469.00 - Step 6: Final answer
x = 460,186,877.87
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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.