Finding the Fourth Proportional to 5,451,514,874.92, 7,523,075,657.70 and 3,040,199,986.12
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Solution
The fourth proportional to 5,451,514,874.92, 7,523,075,657.70 and 3,040,199,986.12 is: 4,195,467,688.32
Step by Step Solution
- Step 1: Write the proportion equation
5,451,514,874.92 : 7,523,075,657.70 = 3,040,199,986.12 : x - Step 2: Convert to fraction form
5,451,514,874.92/7,523,075,657.70 = 3,040,199,986.12/x - Step 3: Cross multiply
5,451,514,874.92x = 7,523,075,657.70 × 3,040,199,986.12 - Step 4: Simplify right side
5,451,514,874.92x = 22,871,654,510,119,247,872 - Step 5: Solve for x
x = 22,871,654,510,119,247,872/5,451,514,874.92 - Step 6: Final answer
x = 4,195,467,688.32
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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.