Finding the Fourth Proportional to 434,203,428.10, 609,497,230.70 and 434,203,428.10
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Solution
The fourth proportional to 434,203,428.10, 609,497,230.70 and 434,203,428.10 is: 609,497,230.70
Step by Step Solution
- Step 1: Write the proportion equation
434,203,428.10 : 609,497,230.70 = 434,203,428.10 : x - Step 2: Convert to fraction form
434,203,428.10/609,497,230.70 = 434,203,428.10/x - Step 3: Cross multiply
434,203,428.10x = 609,497,230.70 × 434,203,428.10 - Step 4: Simplify right side
434,203,428.10x = 264,645,786,987,396,608 - Step 5: Solve for x
x = 264,645,786,987,396,608/434,203,428.10 - Step 6: Final answer
x = 609,497,230.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.