Finding the Fourth Proportional to 2,787,609,928.60, 4,181,396,292.05 and 1,129,492,750.96
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Solution
The fourth proportional to 2,787,609,928.60, 4,181,396,292.05 and 1,129,492,750.96 is: 1,694,231,589.69
Step by Step Solution
- Step 1: Write the proportion equation
2,787,609,928.60 : 4,181,396,292.05 = 1,129,492,750.96 : x - Step 2: Convert to fraction form
2,787,609,928.60/4,181,396,292.05 = 1,129,492,750.96/x - Step 3: Cross multiply
2,787,609,928.60x = 4,181,396,292.05 × 1,129,492,750.96 - Step 4: Simplify right side
2,787,609,928.60x = 4,722,856,800,753,867,776 - Step 5: Solve for x
x = 4,722,856,800,753,867,776/2,787,609,928.60 - Step 6: Final answer
x = 1,694,231,589.69
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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.