Finding the Fourth Proportional to 435,491,036.10, 653,236,554.15 and 193,153,940.10
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Solution
The fourth proportional to 435,491,036.10, 653,236,554.15 and 193,153,940.10 is: 289,730,910.15
Step by Step Solution
- Step 1: Write the proportion equation
435,491,036.10 : 653,236,554.15 = 193,153,940.10 : x - Step 2: Convert to fraction form
435,491,036.10/653,236,554.15 = 193,153,940.10/x - Step 3: Cross multiply
435,491,036.10x = 653,236,554.15 × 193,153,940.10 - Step 4: Simplify right side
435,491,036.10x = 126,175,214,251,419,504 - Step 5: Solve for x
x = 126,175,214,251,419,504/435,491,036.10 - Step 6: Final answer
x = 289,730,910.15
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1.5x scale
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.