Finding the Fourth Proportional to 8,089,478,136.32, 12,134,217,204.48 and 2,273,387,832.32
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Solution
The fourth proportional to 8,089,478,136.32, 12,134,217,204.48 and 2,273,387,832.32 is: 3,410,081,748.48
Step by Step Solution
- Step 1: Write the proportion equation
8,089,478,136.32 : 12,134,217,204.48 = 2,273,387,832.32 : x - Step 2: Convert to fraction form
8,089,478,136.32/12,134,217,204.48 = 2,273,387,832.32/x - Step 3: Cross multiply
8,089,478,136.32x = 12,134,217,204.48 × 2,273,387,832.32 - Step 4: Simplify right side
8,089,478,136.32x = 27,585,781,747,392,839,680 - Step 5: Solve for x
x = 27,585,781,747,392,839,680/8,089,478,136.32 - Step 6: Final answer
x = 3,410,081,748.48
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Double scale
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Similar ratio
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1.5x scale
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.