Finding the Fourth Proportional to 4,720,062,613.12, 7,077,827,889.60 and 2,230,850,135.68
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Solution
The fourth proportional to 4,720,062,613.12, 7,077,827,889.60 and 2,230,850,135.68 is: 3,345,204,206.39
Step by Step Solution
- Step 1: Write the proportion equation
4,720,062,613.12 : 7,077,827,889.60 = 2,230,850,135.68 : x - Step 2: Convert to fraction form
4,720,062,613.12/7,077,827,889.60 = 2,230,850,135.68/x - Step 3: Cross multiply
4,720,062,613.12x = 7,077,827,889.60 × 2,230,850,135.68 - Step 4: Simplify right side
4,720,062,613.12x = 15,789,573,307,833,847,808 - Step 5: Solve for x
x = 15,789,573,307,833,847,808/4,720,062,613.12 - Step 6: Final answer
x = 3,345,204,206.39
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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.