Finding the Fourth Proportional to 2,660,800,011.44, 3,992,366,747.64 and 1,262,793,976.88
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Solution
The fourth proportional to 2,660,800,011.44, 3,992,366,747.64 and 1,262,793,976.88 is: 1,894,744,686.09
Step by Step Solution
- Step 1: Write the proportion equation
2,660,800,011.44 : 3,992,366,747.64 = 1,262,793,976.88 : x - Step 2: Convert to fraction form
2,660,800,011.44/3,992,366,747.64 = 1,262,793,976.88/x - Step 3: Cross multiply
2,660,800,011.44x = 3,992,366,747.64 × 1,262,793,976.88 - Step 4: Simplify right side
2,660,800,011.44x = 5,041,536,682,415,787,008 - Step 5: Solve for x
x = 5,041,536,682,415,787,008/2,660,800,011.44 - Step 6: Final answer
x = 1,894,744,686.09
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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.