Finding the Fourth Proportional to 734,942,227.80, 1,102,413,341.70 and 654,588,348.60
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Solution
The fourth proportional to 734,942,227.80, 1,102,413,341.70 and 654,588,348.60 is: 981,882,522.90
Step by Step Solution
- Step 1: Write the proportion equation
734,942,227.80 : 1,102,413,341.70 = 654,588,348.60 : x - Step 2: Convert to fraction form
734,942,227.80/1,102,413,341.70 = 654,588,348.60/x - Step 3: Cross multiply
734,942,227.80x = 1,102,413,341.70 × 654,588,348.60 - Step 4: Simplify right side
734,942,227.80x = 721,626,928,818,010,624 - Step 5: Solve for x
x = 721,626,928,818,010,624/734,942,227.80 - Step 6: Final answer
x = 981,882,522.90
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Double scale
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Similar ratio
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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.