Finding the Fourth Proportional to 932,296,064.28, 1,286,568,694.64 and 514,608,428.40
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Solution
The fourth proportional to 932,296,064.28, 1,286,568,694.64 and 514,608,428.40 is: 710,159,700.70
Step by Step Solution
- Step 1: Write the proportion equation
932,296,064.28 : 1,286,568,694.64 = 514,608,428.40 : x - Step 2: Convert to fraction form
932,296,064.28/1,286,568,694.64 = 514,608,428.40/x - Step 3: Cross multiply
932,296,064.28x = 1,286,568,694.64 × 514,608,428.40 - Step 4: Simplify right side
932,296,064.28x = 662,079,093,977,329,920 - Step 5: Solve for x
x = 662,079,093,977,329,920/932,296,064.28 - Step 6: Final answer
x = 710,159,700.70
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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.