Finding the Fourth Proportional to 4,251,724,481.88, 6,377,026,797.36 and 1,263,723,786
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Solution
The fourth proportional to 4,251,724,481.88, 6,377,026,797.36 and 1,263,723,786 is: 1,895,419,254.50
Step by Step Solution
- Step 1: Write the proportion equation
4,251,724,481.88 : 6,377,026,797.36 = 1,263,723,786 : x - Step 2: Convert to fraction form
4,251,724,481.88/6,377,026,797.36 = 1,263,723,786/x - Step 3: Cross multiply
4,251,724,481.88x = 6,377,026,797.36 × 1,263,723,786 - Step 4: Simplify right side
4,251,724,481.88x = 8,058,800,447,783,233,536 - Step 5: Solve for x
x = 8,058,800,447,783,233,536/4,251,724,481.88 - Step 6: Final answer
x = 1,895,419,254.50
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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.