Finding the Fourth Proportional to 1,393,104,397.44, 2,089,656,288 and 507,856,124.64
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Solution
The fourth proportional to 1,393,104,397.44, 2,089,656,288 and 507,856,124.64 is: 761,784,074.62
Step by Step Solution
- Step 1: Write the proportion equation
1,393,104,397.44 : 2,089,656,288 = 507,856,124.64 : x - Step 2: Convert to fraction form
1,393,104,397.44/2,089,656,288 = 507,856,124.64/x - Step 3: Cross multiply
1,393,104,397.44x = 2,089,656,288 × 507,856,124.64 - Step 4: Simplify right side
1,393,104,397.44x = 1,061,244,744,253,287,680 - Step 5: Solve for x
x = 1,061,244,744,253,287,680/1,393,104,397.44 - Step 6: Final answer
x = 761,784,074.62
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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.