Finding the Fourth Proportional to 7,267,491,307.10, 10,901,236,960.65 and 3,961,503,134.30
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Solution
The fourth proportional to 7,267,491,307.10, 10,901,236,960.65 and 3,961,503,134.30 is: 5,942,254,701.45
Step by Step Solution
- Step 1: Write the proportion equation
7,267,491,307.10 : 10,901,236,960.65 = 3,961,503,134.30 : x - Step 2: Convert to fraction form
7,267,491,307.10/10,901,236,960.65 = 3,961,503,134.30/x - Step 3: Cross multiply
7,267,491,307.10x = 10,901,236,960.65 × 3,961,503,134.30 - Step 4: Simplify right side
7,267,491,307.10x = 43,185,284,387,361,980,416 - Step 5: Solve for x
x = 43,185,284,387,361,980,416/7,267,491,307.10 - Step 6: Final answer
x = 5,942,254,701.45
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Double scale
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Similar ratio
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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.