Finding the Fourth Proportional to 1,482,324,568.18, 2,223,408,542.29 and 486,214,386.43
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Solution
The fourth proportional to 1,482,324,568.18, 2,223,408,542.29 and 486,214,386.43 is: 729,295,893.34
Step by Step Solution
- Step 1: Write the proportion equation
1,482,324,568.18 : 2,223,408,542.29 = 486,214,386.43 : x - Step 2: Convert to fraction form
1,482,324,568.18/2,223,408,542.29 = 486,214,386.43/x - Step 3: Cross multiply
1,482,324,568.18x = 2,223,408,542.29 × 486,214,386.43 - Step 4: Simplify right side
1,482,324,568.18x = 1,081,053,220,172,788,736 - Step 5: Solve for x
x = 1,081,053,220,172,788,736/1,482,324,568.18 - Step 6: Final answer
x = 729,295,893.34
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1.5x scale
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.