Finding the Fourth Proportional to 837,489,847.97, 1,256,236,346.57 and 345,663,641.09
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Solution
The fourth proportional to 837,489,847.97, 1,256,236,346.57 and 345,663,641.09 is: 518,496,111.54
Step by Step Solution
- Step 1: Write the proportion equation
837,489,847.97 : 1,256,236,346.57 = 345,663,641.09 : x - Step 2: Convert to fraction form
837,489,847.97/1,256,236,346.57 = 345,663,641.09/x - Step 3: Cross multiply
837,489,847.97x = 1,256,236,346.57 × 345,663,641.09 - Step 4: Simplify right side
837,489,847.97x = 434,235,229,626,397,568 - Step 5: Solve for x
x = 434,235,229,626,397,568/837,489,847.97 - Step 6: Final answer
x = 518,496,111.54
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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.