Finding the Fourth Proportional to 647,568,028.70, 971,352,043.05 and 162,893,836.70
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Solution
The fourth proportional to 647,568,028.70, 971,352,043.05 and 162,893,836.70 is: 244,340,755.05
Step by Step Solution
- Step 1: Write the proportion equation
647,568,028.70 : 971,352,043.05 = 162,893,836.70 : x - Step 2: Convert to fraction form
647,568,028.70/971,352,043.05 = 162,893,836.70/x - Step 3: Cross multiply
647,568,028.70x = 971,352,043.05 × 162,893,836.70 - Step 4: Simplify right side
647,568,028.70x = 158,227,261,078,798,048 - Step 5: Solve for x
x = 158,227,261,078,798,048/647,568,028.70 - Step 6: Final answer
x = 244,340,755.05
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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.