Finding the Fourth Proportional to 393,042,213.36, 589,252,676.04 and 196,204,604.40
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Solution
The fourth proportional to 393,042,213.36, 589,252,676.04 and 196,204,604.40 is: 294,151,834.75
Step by Step Solution
- Step 1: Write the proportion equation
393,042,213.36 : 589,252,676.04 = 196,204,604.40 : x - Step 2: Convert to fraction form
393,042,213.36/589,252,676.04 = 196,204,604.40/x - Step 3: Cross multiply
393,042,213.36x = 589,252,676.04 × 196,204,604.40 - Step 4: Simplify right side
393,042,213.36x = 115,614,088,194,069,552 - Step 5: Solve for x
x = 115,614,088,194,069,552/393,042,213.36 - Step 6: Final answer
x = 294,151,834.75
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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.