Finding the Fourth Proportional to 5,434,516,968.10, 8,151,775,452.15 and 3,475,412,865.70
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Solution
The fourth proportional to 5,434,516,968.10, 8,151,775,452.15 and 3,475,412,865.70 is: 5,213,119,298.55
Step by Step Solution
- Step 1: Write the proportion equation
5,434,516,968.10 : 8,151,775,452.15 = 3,475,412,865.70 : x - Step 2: Convert to fraction form
5,434,516,968.10/8,151,775,452.15 = 3,475,412,865.70/x - Step 3: Cross multiply
5,434,516,968.10x = 8,151,775,452.15 × 3,475,412,865.70 - Step 4: Simplify right side
5,434,516,968.10x = 28,330,785,284,699,541,504 - Step 5: Solve for x
x = 28,330,785,284,699,541,504/5,434,516,968.10 - Step 6: Final answer
x = 5,213,119,298.55
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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.