Finding the Fourth Proportional to 829,324,318.93, 1,243,991,128.50 and 276,625,230.42
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Solution
The fourth proportional to 829,324,318.93, 1,243,991,128.50 and 276,625,230.42 is: 414,939,396.70
Step by Step Solution
- Step 1: Write the proportion equation
829,324,318.93 : 1,243,991,128.50 = 276,625,230.42 : x - Step 2: Convert to fraction form
829,324,318.93/1,243,991,128.50 = 276,625,230.42/x - Step 3: Cross multiply
829,324,318.93x = 1,243,991,128.50 × 276,625,230.42 - Step 4: Simplify right side
829,324,318.93x = 344,119,332,561,748,352 - Step 5: Solve for x
x = 344,119,332,561,748,352/829,324,318.93 - Step 6: Final answer
x = 414,939,396.70
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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.