Finding the Fourth Proportional to 995,328,874.80, 1,390,235,562 and 995,328,874.80
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Solution
The fourth proportional to 995,328,874.80, 1,390,235,562 and 995,328,874.80 is: 1,390,235,562
Step by Step Solution
- Step 1: Write the proportion equation
995,328,874.80 : 1,390,235,562 = 995,328,874.80 : x - Step 2: Convert to fraction form
995,328,874.80/1,390,235,562 = 995,328,874.80/x - Step 3: Cross multiply
995,328,874.80x = 1,390,235,562 × 995,328,874.80 - Step 4: Simplify right side
995,328,874.80x = 1,383,741,597,632,405,504 - Step 5: Solve for x
x = 1,383,741,597,632,405,504/995,328,874.80 - Step 6: Final answer
x = 1,390,235,562
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.