Finding the Fourth Proportional to 3,554,726,799.24, 4,903,663,163.27 and 2,197,926,983.84
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Solution
The fourth proportional to 3,554,726,799.24, 4,903,663,163.27 and 2,197,926,983.84 is: 3,031,989,290.56
Step by Step Solution
- Step 1: Write the proportion equation
3,554,726,799.24 : 4,903,663,163.27 = 2,197,926,983.84 : x - Step 2: Convert to fraction form
3,554,726,799.24/4,903,663,163.27 = 2,197,926,983.84/x - Step 3: Cross multiply
3,554,726,799.24x = 4,903,663,163.27 × 2,197,926,983.84 - Step 4: Simplify right side
3,554,726,799.24x = 10,777,893,586,177,837,056 - Step 5: Solve for x
x = 10,777,893,586,177,837,056/3,554,726,799.24 - Step 6: Final answer
x = 3,031,989,290.56
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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.