Finding the Fourth Proportional to 653,734,207.43, 902,145,750.81 and 356,369,889.62
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Solution
The fourth proportional to 653,734,207.43, 902,145,750.81 and 356,369,889.62 is: 491,786,383.49
Step by Step Solution
- Step 1: Write the proportion equation
653,734,207.43 : 902,145,750.81 = 356,369,889.62 : x - Step 2: Convert to fraction form
653,734,207.43/902,145,750.81 = 356,369,889.62/x - Step 3: Cross multiply
653,734,207.43x = 902,145,750.81 × 356,369,889.62 - Step 4: Simplify right side
653,734,207.43x = 321,497,581,632,800,960 - Step 5: Solve for x
x = 321,497,581,632,800,960/653,734,207.43 - Step 6: Final answer
x = 491,786,383.49
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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.