Finding the Fourth Proportional to 1,299,082,759.20, 1,948,624,138.80 and 1,023,583,744.80
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Solution
The fourth proportional to 1,299,082,759.20, 1,948,624,138.80 and 1,023,583,744.80 is: 1,535,375,617.20
Step by Step Solution
- Step 1: Write the proportion equation
1,299,082,759.20 : 1,948,624,138.80 = 1,023,583,744.80 : x - Step 2: Convert to fraction form
1,299,082,759.20/1,948,624,138.80 = 1,023,583,744.80/x - Step 3: Cross multiply
1,299,082,759.20x = 1,948,624,138.80 × 1,023,583,744.80 - Step 4: Simplify right side
1,299,082,759.20x = 1,994,579,993,200,578,816 - Step 5: Solve for x
x = 1,994,579,993,200,578,816/1,299,082,759.20 - Step 6: Final answer
x = 1,535,375,617.20
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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.