Finding the Fourth Proportional to 702,034,201.80, 1,053,051,302.70 and 497,960,857.80
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Solution
The fourth proportional to 702,034,201.80, 1,053,051,302.70 and 497,960,857.80 is: 746,941,286.70
Step by Step Solution
- Step 1: Write the proportion equation
702,034,201.80 : 1,053,051,302.70 = 497,960,857.80 : x - Step 2: Convert to fraction form
702,034,201.80/1,053,051,302.70 = 497,960,857.80/x - Step 3: Cross multiply
702,034,201.80x = 1,053,051,302.70 × 497,960,857.80 - Step 4: Simplify right side
702,034,201.80x = 524,378,329,999,899,520 - Step 5: Solve for x
x = 524,378,329,999,899,520/702,034,201.80 - Step 6: Final answer
x = 746,941,286.70
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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.