Finding the Fourth Proportional to 2,192,194,220.90, 3,288,291,331.35 and 556,418,822.90
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Solution
The fourth proportional to 2,192,194,220.90, 3,288,291,331.35 and 556,418,822.90 is: 834,628,234.35
Step by Step Solution
- Step 1: Write the proportion equation
2,192,194,220.90 : 3,288,291,331.35 = 556,418,822.90 : x - Step 2: Convert to fraction form
2,192,194,220.90/3,288,291,331.35 = 556,418,822.90/x - Step 3: Cross multiply
2,192,194,220.90x = 3,288,291,331.35 × 556,418,822.90 - Step 4: Simplify right side
2,192,194,220.90x = 1,829,667,191,942,040,832 - Step 5: Solve for x
x = 1,829,667,191,942,040,832/2,192,194,220.90 - Step 6: Final answer
x = 834,628,234.35
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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.