Finding the Fourth Proportional to 5,089,659,683.40, 7,634,489,525.10 and 1,409,165,037.90
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Solution
The fourth proportional to 5,089,659,683.40, 7,634,489,525.10 and 1,409,165,037.90 is: 2,113,747,556.85
Step by Step Solution
- Step 1: Write the proportion equation
5,089,659,683.40 : 7,634,489,525.10 = 1,409,165,037.90 : x - Step 2: Convert to fraction form
5,089,659,683.40/7,634,489,525.10 = 1,409,165,037.90/x - Step 3: Cross multiply
5,089,659,683.40x = 7,634,489,525.10 × 1,409,165,037.90 - Step 4: Simplify right side
5,089,659,683.40x = 10,758,255,720,984,694,784 - Step 5: Solve for x
x = 10,758,255,720,984,694,784/5,089,659,683.40 - Step 6: Final answer
x = 2,113,747,556.85
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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.