Finding the Fourth Proportional to 2,383,045,284.36, 3,288,632,756.96 and 1,311,471,990.84
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Solution
The fourth proportional to 2,383,045,284.36, 3,288,632,756.96 and 1,311,471,990.84 is: 1,809,848,002.98
Step by Step Solution
- Step 1: Write the proportion equation
2,383,045,284.36 : 3,288,632,756.96 = 1,311,471,990.84 : x - Step 2: Convert to fraction form
2,383,045,284.36/3,288,632,756.96 = 1,311,471,990.84/x - Step 3: Cross multiply
2,383,045,284.36x = 3,288,632,756.96 × 1,311,471,990.84 - Step 4: Simplify right side
2,383,045,284.36x = 4,312,949,748,911,968,768 - Step 5: Solve for x
x = 4,312,949,748,911,968,768/2,383,045,284.36 - Step 6: Final answer
x = 1,809,848,002.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.