Finding the Fourth Proportional to 890,496,131.20, 1,244,146,544 and 890,496,131.20
Calculator
Solution
The fourth proportional to 890,496,131.20, 1,244,146,544 and 890,496,131.20 is: 1,244,146,544
Step by Step Solution
- Step 1: Write the proportion equation
890,496,131.20 : 1,244,146,544 = 890,496,131.20 : x - Step 2: Convert to fraction form
890,496,131.20/1,244,146,544 = 890,496,131.20/x - Step 3: Cross multiply
890,496,131.20x = 1,244,146,544 × 890,496,131.20 - Step 4: Simplify right side
890,496,131.20x = 1,107,907,684,077,850,624 - Step 5: Solve for x
x = 1,107,907,684,077,850,624/890,496,131.20 - Step 6: Final answer
x = 1,244,146,544
Related Problems
Find fourth proportional to 445,248,065.60, 622,073,272 and 445,248,065.60
Half scale
Find fourth proportional to 1,780,992,262.40, 2,488,293,088 and 1,780,992,262.40
Double scale
Find fourth proportional to 890,496,132.20, 1,244,146,545.40 and 890,496,132.20
Similar ratio
Find fourth proportional to 1,335,744,196.80, 1,866,219,816 and 1,335,744,196.80
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.