Finding the Fourth Proportional to 486,740,199, 729,600,115.05 and 179,836,564.44
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Solution
The fourth proportional to 486,740,199, 729,600,115.05 and 179,836,564.44 is: 269,566,348.49
Step by Step Solution
- Step 1: Write the proportion equation
486,740,199 : 729,600,115.05 = 179,836,564.44 : x - Step 2: Convert to fraction form
486,740,199/729,600,115.05 = 179,836,564.44/x - Step 3: Cross multiply
486,740,199x = 729,600,115.05 × 179,836,564.44 - Step 4: Simplify right side
486,740,199x = 131,208,778,105,620,736 - Step 5: Solve for x
x = 131,208,778,105,620,736/486,740,199 - Step 6: Final answer
x = 269,566,348.49
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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.