Finding the Fourth Proportional to 624,529,163.40, 936,121,898.70 and 236,201,944.20
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Solution
The fourth proportional to 624,529,163.40, 936,121,898.70 and 236,201,944.20 is: 354,048,818.60
Step by Step Solution
- Step 1: Write the proportion equation
624,529,163.40 : 936,121,898.70 = 236,201,944.20 : x - Step 2: Convert to fraction form
624,529,163.40/936,121,898.70 = 236,201,944.20/x - Step 3: Cross multiply
624,529,163.40x = 936,121,898.70 × 236,201,944.20 - Step 4: Simplify right side
624,529,163.40x = 221,113,812,481,135,456 - Step 5: Solve for x
x = 221,113,812,481,135,456/624,529,163.40 - Step 6: Final answer
x = 354,048,818.60
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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.