Finding the Fourth Proportional to 5,192,283,037.40, 7,165,356,889.92 and 2,813,419,134.80
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Solution
The fourth proportional to 5,192,283,037.40, 7,165,356,889.92 and 2,813,419,134.80 is: 3,882,521,818.74
Step by Step Solution
- Step 1: Write the proportion equation
5,192,283,037.40 : 7,165,356,889.92 = 2,813,419,134.80 : x - Step 2: Convert to fraction form
5,192,283,037.40/7,165,356,889.92 = 2,813,419,134.80/x - Step 3: Cross multiply
5,192,283,037.40x = 7,165,356,889.92 × 2,813,419,134.80 - Step 4: Simplify right side
5,192,283,037.40x = 20,159,152,181,771,948,032 - Step 5: Solve for x
x = 20,159,152,181,771,948,032/5,192,283,037.40 - Step 6: Final answer
x = 3,882,521,818.74
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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.