Finding the Fourth Proportional to 1,410,214,377.19, 1,944,044,790.81 and 985,509,463.85
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Solution
The fourth proportional to 1,410,214,377.19, 1,944,044,790.81 and 985,509,463.85 is: 1,358,569,711.44
Step by Step Solution
- Step 1: Write the proportion equation
1,410,214,377.19 : 1,944,044,790.81 = 985,509,463.85 : x - Step 2: Convert to fraction form
1,410,214,377.19/1,944,044,790.81 = 985,509,463.85/x - Step 3: Cross multiply
1,410,214,377.19x = 1,944,044,790.81 × 985,509,463.85 - Step 4: Simplify right side
1,410,214,377.19x = 1,915,874,539,491,548,416 - Step 5: Solve for x
x = 1,915,874,539,491,548,416/1,410,214,377.19 - Step 6: Final answer
x = 1,358,569,711.44
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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.