Finding the Fourth Proportional to 624,324,953.46, 861,621,343.66 and 345,953,795.70
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Solution
The fourth proportional to 624,324,953.46, 861,621,343.66 and 345,953,795.70 is: 477,445,555.63
Step by Step Solution
- Step 1: Write the proportion equation
624,324,953.46 : 861,621,343.66 = 345,953,795.70 : x - Step 2: Convert to fraction form
624,324,953.46/861,621,343.66 = 345,953,795.70/x - Step 3: Cross multiply
624,324,953.46x = 861,621,343.66 × 345,953,795.70 - Step 4: Simplify right side
624,324,953.46x = 298,081,174,295,311,104 - Step 5: Solve for x
x = 298,081,174,295,311,104/624,324,953.46 - Step 6: Final answer
x = 477,445,555.63
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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.