Finding the Fourth Proportional to 1,603,378,617.70, 2,239,892,770.70 and 1,603,378,617.70
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Solution
The fourth proportional to 1,603,378,617.70, 2,239,892,770.70 and 1,603,378,617.70 is: 2,239,892,770.70
Step by Step Solution
- Step 1: Write the proportion equation
1,603,378,617.70 : 2,239,892,770.70 = 1,603,378,617.70 : x - Step 2: Convert to fraction form
1,603,378,617.70/2,239,892,770.70 = 1,603,378,617.70/x - Step 3: Cross multiply
1,603,378,617.70x = 2,239,892,770.70 × 1,603,378,617.70 - Step 4: Simplify right side
1,603,378,617.70x = 3,591,396,174,481,188,864 - Step 5: Solve for x
x = 3,591,396,174,481,188,864/1,603,378,617.70 - Step 6: Final answer
x = 2,239,892,770.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.