Finding the Fourth Proportional to 2,218,922,286.81, 3,062,114,406.66 and 1,201,655,609.84
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Solution
The fourth proportional to 2,218,922,286.81, 3,062,114,406.66 and 1,201,655,609.84 is: 1,658,285,635.61
Step by Step Solution
- Step 1: Write the proportion equation
2,218,922,286.81 : 3,062,114,406.66 = 1,201,655,609.84 : x - Step 2: Convert to fraction form
2,218,922,286.81/3,062,114,406.66 = 1,201,655,609.84/x - Step 3: Cross multiply
2,218,922,286.81x = 3,062,114,406.66 × 1,201,655,609.84 - Step 4: Simplify right side
2,218,922,286.81x = 3,679,606,954,747,093,504 - Step 5: Solve for x
x = 3,679,606,954,747,093,504/2,218,922,286.81 - Step 6: Final answer
x = 1,658,285,635.61
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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.