Finding the Fourth Proportional to 3,019,287,113.93, 4,166,645,163.78 and 1,662,951,765.49
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Solution
The fourth proportional to 3,019,287,113.93, 4,166,645,163.78 and 1,662,951,765.49 is: 2,294,889,379.45
Step by Step Solution
- Step 1: Write the proportion equation
3,019,287,113.93 : 4,166,645,163.78 = 1,662,951,765.49 : x - Step 2: Convert to fraction form
3,019,287,113.93/4,166,645,163.78 = 1,662,951,765.49/x - Step 3: Cross multiply
3,019,287,113.93x = 4,166,645,163.78 × 1,662,951,765.49 - Step 4: Simplify right side
3,019,287,113.93x = 6,928,929,931,274,389,504 - Step 5: Solve for x
x = 6,928,929,931,274,389,504/3,019,287,113.93 - Step 6: Final answer
x = 2,294,889,379.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.