Finding the Fourth Proportional to 7,764,128,468.40, 11,646,192,702.60 and 5,560,136,353.20
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Solution
The fourth proportional to 7,764,128,468.40, 11,646,192,702.60 and 5,560,136,353.20 is: 8,340,204,529.80
Step by Step Solution
- Step 1: Write the proportion equation
7,764,128,468.40 : 11,646,192,702.60 = 5,560,136,353.20 : x - Step 2: Convert to fraction form
7,764,128,468.40/11,646,192,702.60 = 5,560,136,353.20/x - Step 3: Cross multiply
7,764,128,468.40x = 11,646,192,702.60 × 5,560,136,353.20 - Step 4: Simplify right side
7,764,128,468.40x = 64,754,419,422,098,817,024 - Step 5: Solve for x
x = 64,754,419,422,098,817,024/7,764,128,468.40 - Step 6: Final answer
x = 8,340,204,529.80
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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.