Finding the Fourth Proportional to 5,085,496,847.36, 7,018,378,328.89 and 3,051,023,989.96
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Solution
The fourth proportional to 5,085,496,847.36, 7,018,378,328.89 and 3,051,023,989.96 is: 4,210,648,692.69
Step by Step Solution
- Step 1: Write the proportion equation
5,085,496,847.36 : 7,018,378,328.89 = 3,051,023,989.96 : x - Step 2: Convert to fraction form
5,085,496,847.36/7,018,378,328.89 = 3,051,023,989.96/x - Step 3: Cross multiply
5,085,496,847.36x = 7,018,378,328.89 × 3,051,023,989.96 - Step 4: Simplify right side
5,085,496,847.36x = 21,413,240,652,015,161,344 - Step 5: Solve for x
x = 21,413,240,652,015,161,344/5,085,496,847.36 - Step 6: Final answer
x = 4,210,648,692.69
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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.