Finding the Fourth Proportional to 9,526,406,785.92, 13,146,452,263.63 and 5,297,227,872.75
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Solution
The fourth proportional to 9,526,406,785.92, 13,146,452,263.63 and 5,297,227,872.75 is: 7,310,180,524.89
Step by Step Solution
- Step 1: Write the proportion equation
9,526,406,785.92 : 13,146,452,263.63 = 5,297,227,872.75 : x - Step 2: Convert to fraction form
9,526,406,785.92/13,146,452,263.63 = 5,297,227,872.75/x - Step 3: Cross multiply
9,526,406,785.92x = 13,146,452,263.63 × 5,297,227,872.75 - Step 4: Simplify right side
9,526,406,785.92x = 69,639,753,358,612,430,848 - Step 5: Solve for x
x = 69,639,753,358,612,430,848/9,526,406,785.92 - Step 6: Final answer
x = 7,310,180,524.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.