Finding the Fourth Proportional to 4,992,214,175.10, 7,488,321,262.65 and 2,412,323,999.10
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Solution
The fourth proportional to 4,992,214,175.10, 7,488,321,262.65 and 2,412,323,999.10 is: 3,618,485,998.65
Step by Step Solution
- Step 1: Write the proportion equation
4,992,214,175.10 : 7,488,321,262.65 = 2,412,323,999.10 : x - Step 2: Convert to fraction form
4,992,214,175.10/7,488,321,262.65 = 2,412,323,999.10/x - Step 3: Cross multiply
4,992,214,175.10x = 7,488,321,262.65 × 2,412,323,999.10 - Step 4: Simplify right side
4,992,214,175.10x = 18,064,257,094,861,408,256 - Step 5: Solve for x
x = 18,064,257,094,861,408,256/4,992,214,175.10 - Step 6: Final answer
x = 3,618,485,998.65
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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.