Finding the Fourth Proportional to 2,135,807,999.20, 3,203,711,998.80 and 1,677,160,856.80
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Solution
The fourth proportional to 2,135,807,999.20, 3,203,711,998.80 and 1,677,160,856.80 is: 2,515,741,285.20
Step by Step Solution
- Step 1: Write the proportion equation
2,135,807,999.20 : 3,203,711,998.80 = 1,677,160,856.80 : x - Step 2: Convert to fraction form
2,135,807,999.20/3,203,711,998.80 = 1,677,160,856.80/x - Step 3: Cross multiply
2,135,807,999.20x = 3,203,711,998.80 × 1,677,160,856.80 - Step 4: Simplify right side
2,135,807,999.20x = 5,373,140,360,847,848,448 - Step 5: Solve for x
x = 5,373,140,360,847,848,448/2,135,807,999.20 - Step 6: Final answer
x = 2,515,741,285.20
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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.