Finding the Fourth Proportional to 1,198,149,018.66, 1,653,413,928.66 and 669,517,348.68
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Solution
The fourth proportional to 1,198,149,018.66, 1,653,413,928.66 and 669,517,348.68 is: 923,916,217.89
Step by Step Solution
- Step 1: Write the proportion equation
1,198,149,018.66 : 1,653,413,928.66 = 669,517,348.68 : x - Step 2: Convert to fraction form
1,198,149,018.66/1,653,413,928.66 = 669,517,348.68/x - Step 3: Cross multiply
1,198,149,018.66x = 1,653,413,928.66 × 669,517,348.68 - Step 4: Simplify right side
1,198,149,018.66x = 1,106,989,309,787,025,792 - Step 5: Solve for x
x = 1,106,989,309,787,025,792/1,198,149,018.66 - Step 6: Final answer
x = 923,916,217.89
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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.