Finding the Fourth Proportional to 2,080,471,762.20, 3,120,707,643.30 and 854,520,043.80
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Solution
The fourth proportional to 2,080,471,762.20, 3,120,707,643.30 and 854,520,043.80 is: 1,281,780,065.70
Step by Step Solution
- Step 1: Write the proportion equation
2,080,471,762.20 : 3,120,707,643.30 = 854,520,043.80 : x - Step 2: Convert to fraction form
2,080,471,762.20/3,120,707,643.30 = 854,520,043.80/x - Step 3: Cross multiply
2,080,471,762.20x = 3,120,707,643.30 × 854,520,043.80 - Step 4: Simplify right side
2,080,471,762.20x = 2,666,707,232,039,710,720 - Step 5: Solve for x
x = 2,666,707,232,039,710,720/2,080,471,762.20 - Step 6: Final answer
x = 1,281,780,065.70
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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.