Finding the Fourth Proportional to 463,236,478.88, 694,853,202.73 and 168,131,205.38
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Solution
The fourth proportional to 463,236,478.88, 694,853,202.73 and 168,131,205.38 is: 252,196,257.99
Step by Step Solution
- Step 1: Write the proportion equation
463,236,478.88 : 694,853,202.73 = 168,131,205.38 : x - Step 2: Convert to fraction form
463,236,478.88/694,853,202.73 = 168,131,205.38/x - Step 3: Cross multiply
463,236,478.88x = 694,853,202.73 × 168,131,205.38 - Step 4: Simplify right side
463,236,478.88x = 116,826,506,537,855,344 - Step 5: Solve for x
x = 116,826,506,537,855,344/463,236,478.88 - Step 6: Final answer
x = 252,196,257.99
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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.