Finding the Fourth Proportional to 2,127,515,189.85, 3,192,516,356.67 and 1,536,722,858.97
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Solution
The fourth proportional to 2,127,515,189.85, 3,192,516,356.67 and 1,536,722,858.97 is: 2,305,982,531.33
Step by Step Solution
- Step 1: Write the proportion equation
2,127,515,189.85 : 3,192,516,356.67 = 1,536,722,858.97 : x - Step 2: Convert to fraction form
2,127,515,189.85/3,192,516,356.67 = 1,536,722,858.97/x - Step 3: Cross multiply
2,127,515,189.85x = 3,192,516,356.67 × 1,536,722,858.97 - Step 4: Simplify right side
2,127,515,189.85x = 4,906,012,862,930,410,496 - Step 5: Solve for x
x = 4,906,012,862,930,410,496/2,127,515,189.85 - Step 6: Final answer
x = 2,305,982,531.33
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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.