Finding the Fourth Proportional to 2,116,440,434.66, 3,174,784,212.02 and 642,628,324.42
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Solution
The fourth proportional to 2,116,440,434.66, 3,174,784,212.02 and 642,628,324.42 is: 963,980,003.95
Step by Step Solution
- Step 1: Write the proportion equation
2,116,440,434.66 : 3,174,784,212.02 = 642,628,324.42 : x - Step 2: Convert to fraction form
2,116,440,434.66/3,174,784,212.02 = 642,628,324.42/x - Step 3: Cross multiply
2,116,440,434.66x = 3,174,784,212.02 × 642,628,324.42 - Step 4: Simplify right side
2,116,440,434.66x = 2,040,206,258,554,332,416 - Step 5: Solve for x
x = 2,040,206,258,554,332,416/2,116,440,434.66 - Step 6: Final answer
x = 963,980,003.95
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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.