Finding the Fourth Proportional to 6,283,491,123.60, 9,425,236,685.40 and 2,786,184,190.80
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Solution
The fourth proportional to 6,283,491,123.60, 9,425,236,685.40 and 2,786,184,190.80 is: 4,179,276,286.20
Step by Step Solution
- Step 1: Write the proportion equation
6,283,491,123.60 : 9,425,236,685.40 = 2,786,184,190.80 : x - Step 2: Convert to fraction form
6,283,491,123.60/9,425,236,685.40 = 2,786,184,190.80/x - Step 3: Cross multiply
6,283,491,123.60x = 9,425,236,685.40 × 2,786,184,190.80 - Step 4: Simplify right side
6,283,491,123.60x = 26,260,445,447,409,672,192 - Step 5: Solve for x
x = 26,260,445,447,409,672,192/6,283,491,123.60 - Step 6: Final answer
x = 4,179,276,286.20
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Double scale
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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.