Finding the Fourth Proportional to 4,568,199,708.69, 6,306,181,233.87 and 2,877,139,610.63
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Solution
The fourth proportional to 4,568,199,708.69, 6,306,181,233.87 and 2,877,139,610.63 is: 3,971,753,639.68
Step by Step Solution
- Step 1: Write the proportion equation
4,568,199,708.69 : 6,306,181,233.87 = 2,877,139,610.63 : x - Step 2: Convert to fraction form
4,568,199,708.69/6,306,181,233.87 = 2,877,139,610.63/x - Step 3: Cross multiply
4,568,199,708.69x = 6,306,181,233.87 × 2,877,139,610.63 - Step 4: Simplify right side
4,568,199,708.69x = 18,143,763,819,778,945,024 - Step 5: Solve for x
x = 18,143,763,819,778,945,024/4,568,199,708.69 - Step 6: Final answer
x = 3,971,753,639.68
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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.