Finding the Fourth Proportional to 2,243,613,834.48, 3,365,489,313.12 and 769,732,968.96
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Solution
The fourth proportional to 2,243,613,834.48, 3,365,489,313.12 and 769,732,968.96 is: 1,154,622,975.30
Step by Step Solution
- Step 1: Write the proportion equation
2,243,613,834.48 : 3,365,489,313.12 = 769,732,968.96 : x - Step 2: Convert to fraction form
2,243,613,834.48/3,365,489,313.12 = 769,732,968.96/x - Step 3: Cross multiply
2,243,613,834.48x = 3,365,489,313.12 × 769,732,968.96 - Step 4: Simplify right side
2,243,613,834.48x = 2,590,528,080,991,008,768 - Step 5: Solve for x
x = 2,590,528,080,991,008,768/2,243,613,834.48 - Step 6: Final answer
x = 1,154,622,975.30
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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.