Finding the Fourth Proportional to 5,115,177,250.20, 7,672,765,875.30 and 3,462,183,163.80
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Solution
The fourth proportional to 5,115,177,250.20, 7,672,765,875.30 and 3,462,183,163.80 is: 5,193,274,745.70
Step by Step Solution
- Step 1: Write the proportion equation
5,115,177,250.20 : 7,672,765,875.30 = 3,462,183,163.80 : x - Step 2: Convert to fraction form
5,115,177,250.20/7,672,765,875.30 = 3,462,183,163.80/x - Step 3: Cross multiply
5,115,177,250.20x = 7,672,765,875.30 × 3,462,183,163.80 - Step 4: Simplify right side
5,115,177,250.20x = 26,564,520,833,242,832,896 - Step 5: Solve for x
x = 26,564,520,833,242,832,896/5,115,177,250.20 - Step 6: Final answer
x = 5,193,274,745.70
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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.