Finding the Fourth Proportional to 2,787,609,926.16, 4,181,396,288.40 and 1,129,492,748.52
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Solution
The fourth proportional to 2,787,609,926.16, 4,181,396,288.40 and 1,129,492,748.52 is: 1,694,231,586.03
Step by Step Solution
- Step 1: Write the proportion equation
2,787,609,926.16 : 4,181,396,288.40 = 1,129,492,748.52 : x - Step 2: Convert to fraction form
2,787,609,926.16/4,181,396,288.40 = 1,129,492,748.52/x - Step 3: Cross multiply
2,787,609,926.16x = 4,181,396,288.40 × 1,129,492,748.52 - Step 4: Simplify right side
2,787,609,926.16x = 4,722,856,786,436,242,432 - Step 5: Solve for x
x = 4,722,856,786,436,242,432/2,787,609,926.16 - Step 6: Final answer
x = 1,694,231,586.03
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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.