Finding the Fourth Proportional to 756,164,231.20, 1,134,246,346.80 and 295,949,447.20
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Solution
The fourth proportional to 756,164,231.20, 1,134,246,346.80 and 295,949,447.20 is: 443,924,170.80
Step by Step Solution
- Step 1: Write the proportion equation
756,164,231.20 : 1,134,246,346.80 = 295,949,447.20 : x - Step 2: Convert to fraction form
756,164,231.20/1,134,246,346.80 = 295,949,447.20/x - Step 3: Cross multiply
756,164,231.20x = 1,134,246,346.80 × 295,949,447.20 - Step 4: Simplify right side
756,164,231.20x = 335,679,579,324,079,488 - Step 5: Solve for x
x = 335,679,579,324,079,488/756,164,231.20 - Step 6: Final answer
x = 443,924,170.80
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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.