Finding the Fourth Proportional to 12,241,743,863.20, 18,369,613,199.70 and 6,646,135,911.96
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Solution
The fourth proportional to 12,241,743,863.20, 18,369,613,199.70 and 6,646,135,911.96 is: 9,973,002,812.32
Step by Step Solution
- Step 1: Write the proportion equation
12,241,743,863.20 : 18,369,613,199.70 = 6,646,135,911.96 : x - Step 2: Convert to fraction form
12,241,743,863.20/18,369,613,199.70 = 6,646,135,911.96/x - Step 3: Cross multiply
12,241,743,863.20x = 18,369,613,199.70 × 6,646,135,911.96 - Step 4: Simplify right side
12,241,743,863.20x = 122,086,945,975,340,613,632 - Step 5: Solve for x
x = 122,086,945,975,340,613,632/12,241,743,863.20 - Step 6: Final answer
x = 9,973,002,812.32
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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.