Finding the Fourth Proportional to 3,618,871,635.68, 5,425,198,563.52 and 1,257,725,856.96
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Solution
The fourth proportional to 3,618,871,635.68, 5,425,198,563.52 and 1,257,725,856.96 is: 1,885,508,301.87
Step by Step Solution
- Step 1: Write the proportion equation
3,618,871,635.68 : 5,425,198,563.52 = 1,257,725,856.96 : x - Step 2: Convert to fraction form
3,618,871,635.68/5,425,198,563.52 = 1,257,725,856.96/x - Step 3: Cross multiply
3,618,871,635.68x = 5,425,198,563.52 × 1,257,725,856.96 - Step 4: Simplify right side
3,618,871,635.68x = 6,823,412,512,481,353,728 - Step 5: Solve for x
x = 6,823,412,512,481,353,728/3,618,871,635.68 - Step 6: Final answer
x = 1,885,508,301.87
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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.