Finding the Fourth Proportional to 6,905,239,298.70, 9,529,212,308.79 and 3,853,383,579.42
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Solution
The fourth proportional to 6,905,239,298.70, 9,529,212,308.79 and 3,853,383,579.42 is: 5,317,659,337.66
Step by Step Solution
- Step 1: Write the proportion equation
6,905,239,298.70 : 9,529,212,308.79 = 3,853,383,579.42 : x - Step 2: Convert to fraction form
6,905,239,298.70/9,529,212,308.79 = 3,853,383,579.42/x - Step 3: Cross multiply
6,905,239,298.70x = 9,529,212,308.79 × 3,853,383,579.42 - Step 4: Simplify right side
6,905,239,298.70x = 36,719,710,235,498,336,256 - Step 5: Solve for x
x = 36,719,710,235,498,336,256/6,905,239,298.70 - Step 6: Final answer
x = 5,317,659,337.66
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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.