Finding the Fourth Proportional to 7,867,286,471.34, 11,802,210,414.21 and 3,674,432,123.82
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Solution
The fourth proportional to 7,867,286,471.34, 11,802,210,414.21 and 3,674,432,123.82 is: 5,512,246,342.63
Step by Step Solution
- Step 1: Write the proportion equation
7,867,286,471.34 : 11,802,210,414.21 = 3,674,432,123.82 : x - Step 2: Convert to fraction form
7,867,286,471.34/11,802,210,414.21 = 3,674,432,123.82/x - Step 3: Cross multiply
7,867,286,471.34x = 11,802,210,414.21 × 3,674,432,123.82 - Step 4: Simplify right side
7,867,286,471.34x = 43,366,421,078,056,173,568 - Step 5: Solve for x
x = 43,366,421,078,056,173,568/7,867,286,471.34 - Step 6: Final answer
x = 5,512,246,342.63
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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.