Finding the Fourth Proportional to 412,770,239.68, 619,155,358.49 and 150,474,461.77
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Solution
The fourth proportional to 412,770,239.68, 619,155,358.49 and 150,474,461.77 is: 225,711,692.28
Step by Step Solution
- Step 1: Write the proportion equation
412,770,239.68 : 619,155,358.49 = 150,474,461.77 : x - Step 2: Convert to fraction form
412,770,239.68/619,155,358.49 = 150,474,461.77/x - Step 3: Cross multiply
412,770,239.68x = 619,155,358.49 × 150,474,461.77 - Step 4: Simplify right side
412,770,239.68x = 93,167,069,321,380,000 - Step 5: Solve for x
x = 93,167,069,321,380,000/412,770,239.68 - Step 6: Final answer
x = 225,711,692.28
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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.