Finding the Fourth Proportional to 4,526,024,191.20, 6,789,036,286.80 and 2,782,631,990.70
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Solution
The fourth proportional to 4,526,024,191.20, 6,789,036,286.80 and 2,782,631,990.70 is: 4,173,947,986.05
Step by Step Solution
- Step 1: Write the proportion equation
4,526,024,191.20 : 6,789,036,286.80 = 2,782,631,990.70 : x - Step 2: Convert to fraction form
4,526,024,191.20/6,789,036,286.80 = 2,782,631,990.70/x - Step 3: Cross multiply
4,526,024,191.20x = 6,789,036,286.80 × 2,782,631,990.70 - Step 4: Simplify right side
4,526,024,191.20x = 18,891,389,557,672,820,736 - Step 5: Solve for x
x = 18,891,389,557,672,820,736/4,526,024,191.20 - Step 6: Final answer
x = 4,173,947,986.05
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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.