Finding the Fourth Proportional to 4,780,496,321.05, 7,170,744,481.58 and 1,674,675,400.90
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Solution
The fourth proportional to 4,780,496,321.05, 7,170,744,481.58 and 1,674,675,400.90 is: 2,512,013,101.35
Step by Step Solution
- Step 1: Write the proportion equation
4,780,496,321.05 : 7,170,744,481.58 = 1,674,675,400.90 : x - Step 2: Convert to fraction form
4,780,496,321.05/7,170,744,481.58 = 1,674,675,400.90/x - Step 3: Cross multiply
4,780,496,321.05x = 7,170,744,481.58 × 1,674,675,400.90 - Step 4: Simplify right side
4,780,496,321.05x = 12,008,669,389,441,449,984 - Step 5: Solve for x
x = 12,008,669,389,441,449,984/4,780,496,321.05 - Step 6: Final answer
x = 2,512,013,101.35
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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.