Finding the Fourth Proportional to 1,727,410,936.95, 2,383,819,912.77 and 934,454,961.41
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Solution
The fourth proportional to 1,727,410,936.95, 2,383,819,912.77 and 934,454,961.41 is: 1,289,543,962.55
Step by Step Solution
- Step 1: Write the proportion equation
1,727,410,936.95 : 2,383,819,912.77 = 934,454,961.41 : x - Step 2: Convert to fraction form
1,727,410,936.95/2,383,819,912.77 = 934,454,961.41/x - Step 3: Cross multiply
1,727,410,936.95x = 2,383,819,912.77 × 934,454,961.41 - Step 4: Simplify right side
1,727,410,936.95x = 2,227,572,344,580,503,552 - Step 5: Solve for x
x = 2,227,572,344,580,503,552/1,727,410,936.95 - Step 6: Final answer
x = 1,289,543,962.55
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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.