Finding the Fourth Proportional to 326,138,307.36, 449,899,354.36 and 193,885,228.84
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Solution
The fourth proportional to 326,138,307.36, 449,899,354.36 and 193,885,228.84 is: 267,459,655.33
Step by Step Solution
- Step 1: Write the proportion equation
326,138,307.36 : 449,899,354.36 = 193,885,228.84 : x - Step 2: Convert to fraction form
326,138,307.36/449,899,354.36 = 193,885,228.84/x - Step 3: Cross multiply
326,138,307.36x = 449,899,354.36 × 193,885,228.84 - Step 4: Simplify right side
326,138,307.36x = 87,228,839,275,056,864 - Step 5: Solve for x
x = 87,228,839,275,056,864/326,138,307.36 - Step 6: Final answer
x = 267,459,655.33
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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.