Finding the Fourth Proportional to 1,518,660,846.45, 2,276,765,381.79 and 1,396,078,591.68
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Solution
The fourth proportional to 1,518,660,846.45, 2,276,765,381.79 and 1,396,078,591.68 is: 2,092,990,950.04
Step by Step Solution
- Step 1: Write the proportion equation
1,518,660,846.45 : 2,276,765,381.79 = 1,396,078,591.68 : x - Step 2: Convert to fraction form
1,518,660,846.45/2,276,765,381.79 = 1,396,078,591.68/x - Step 3: Cross multiply
1,518,660,846.45x = 2,276,765,381.79 × 1,396,078,591.68 - Step 4: Simplify right side
1,518,660,846.45x = 3,178,543,407,795,160,576 - Step 5: Solve for x
x = 3,178,543,407,795,160,576/1,518,660,846.45 - Step 6: Final answer
x = 2,092,990,950.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.