Finding the Fourth Proportional to 1,045,354,187.43, 1,568,024,305.97 and 423,560,245.82
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Solution
The fourth proportional to 1,045,354,187.43, 1,568,024,305.97 and 423,560,245.82 is: 635,337,542.49
Step by Step Solution
- Step 1: Write the proportion equation
1,045,354,187.43 : 1,568,024,305.97 = 423,560,245.82 : x - Step 2: Convert to fraction form
1,045,354,187.43/1,568,024,305.97 = 423,560,245.82/x - Step 3: Cross multiply
1,045,354,187.43x = 1,568,024,305.97 × 423,560,245.82 - Step 4: Simplify right side
1,045,354,187.43x = 664,152,760,478,430,080 - Step 5: Solve for x
x = 664,152,760,478,430,080/1,045,354,187.43 - Step 6: Final answer
x = 635,337,542.49
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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.