Finding the Fourth Proportional to 460,296,391.28, 690,716,990.48 and 169,367,817.84
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Solution
The fourth proportional to 460,296,391.28, 690,716,990.48 and 169,367,817.84 is: 254,151,958.69
Step by Step Solution
- Step 1: Write the proportion equation
460,296,391.28 : 690,716,990.48 = 169,367,817.84 : x - Step 2: Convert to fraction form
460,296,391.28/690,716,990.48 = 169,367,817.84/x - Step 3: Cross multiply
460,296,391.28x = 690,716,990.48 × 169,367,817.84 - Step 4: Simplify right side
460,296,391.28x = 116,985,229,422,609,664 - Step 5: Solve for x
x = 116,985,229,422,609,664/460,296,391.28 - Step 6: Final answer
x = 254,151,958.69
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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.