Finding the Fourth Proportional to 2,787,382,065.94, 3,846,688,750.69 and 1,517,161,699.79
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Solution
The fourth proportional to 2,787,382,065.94, 3,846,688,750.69 and 1,517,161,699.79 is: 2,093,738,391.62
Step by Step Solution
- Step 1: Write the proportion equation
2,787,382,065.94 : 3,846,688,750.69 = 1,517,161,699.79 : x - Step 2: Convert to fraction form
2,787,382,065.94/3,846,688,750.69 = 1,517,161,699.79/x - Step 3: Cross multiply
2,787,382,065.94x = 3,846,688,750.69 × 1,517,161,699.79 - Step 4: Simplify right side
2,787,382,065.94x = 5,836,048,843,559,614,464 - Step 5: Solve for x
x = 5,836,048,843,559,614,464/2,787,382,065.94 - Step 6: Final answer
x = 2,093,738,391.62
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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.