Finding the Fourth Proportional to 2,425,575,232.80, 3,638,362,849.20 and 2,119,465,216.80
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Solution
The fourth proportional to 2,425,575,232.80, 3,638,362,849.20 and 2,119,465,216.80 is: 3,179,197,825.20
Step by Step Solution
- Step 1: Write the proportion equation
2,425,575,232.80 : 3,638,362,849.20 = 2,119,465,216.80 : x - Step 2: Convert to fraction form
2,425,575,232.80/3,638,362,849.20 = 2,119,465,216.80/x - Step 3: Cross multiply
2,425,575,232.80x = 3,638,362,849.20 × 2,119,465,216.80 - Step 4: Simplify right side
2,425,575,232.80x = 7,711,383,504,976,743,424 - Step 5: Solve for x
x = 7,711,383,504,976,743,424/2,425,575,232.80 - Step 6: Final answer
x = 3,179,197,825.20
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1.5x scale
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.