Finding the Fourth Proportional to 4,568,199,707.69, 6,306,181,232.49 and 2,877,139,609.63
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Solution
The fourth proportional to 4,568,199,707.69, 6,306,181,232.49 and 2,877,139,609.63 is: 3,971,753,638.30
Step by Step Solution
- Step 1: Write the proportion equation
4,568,199,707.69 : 6,306,181,232.49 = 2,877,139,609.63 : x - Step 2: Convert to fraction form
4,568,199,707.69/6,306,181,232.49 = 2,877,139,609.63/x - Step 3: Cross multiply
4,568,199,707.69x = 6,306,181,232.49 × 2,877,139,609.63 - Step 4: Simplify right side
4,568,199,707.69x = 18,143,763,809,486,544,896 - Step 5: Solve for x
x = 18,143,763,809,486,544,896/4,568,199,707.69 - Step 6: Final answer
x = 3,971,753,638.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.