Finding the Fourth Proportional to 251,583,324,363.58, 377,427,993,843.06 and 81,589,658,266
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Solution
The fourth proportional to 251,583,324,363.58, 377,427,993,843.06 and 81,589,658,266 is: 122,401,677,915.56
Step by Step Solution
- Step 1: Write the proportion equation
251,583,324,363.58 : 377,427,993,843.06 = 81,589,658,266 : x - Step 2: Convert to fraction form
251,583,324,363.58/377,427,993,843.06 = 81,589,658,266/x - Step 3: Cross multiply
251,583,324,363.58x = 377,427,993,843.06 × 81,589,658,266 - Step 4: Simplify right side
251,583,324,363.58x = 30,794,221,037,677,218,627,584 - Step 5: Solve for x
x = 30,794,221,037,677,218,627,584/251,583,324,363.58 - Step 6: Final answer
x = 122,401,677,915.56
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1.5x scale
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.