Finding the Fourth Proportional to 6,905,239,267.43, 9,529,212,265.81 and 3,853,383,548.20
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Solution
The fourth proportional to 6,905,239,267.43, 9,529,212,265.81 and 3,853,383,548.20 is: 5,317,659,294.66
Step by Step Solution
- Step 1: Write the proportion equation
6,905,239,267.43 : 9,529,212,265.81 = 3,853,383,548.20 : x - Step 2: Convert to fraction form
6,905,239,267.43/9,529,212,265.81 = 3,853,383,548.20/x - Step 3: Cross multiply
6,905,239,267.43x = 9,529,212,265.81 × 3,853,383,548.20 - Step 4: Simplify right side
6,905,239,267.43x = 36,719,709,772,345,008,128 - Step 5: Solve for x
x = 36,719,709,772,345,008,128/6,905,239,267.43 - Step 6: Final answer
x = 5,317,659,294.66
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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.