Finding the Fourth Proportional to 694,656,163.20, 1,041,984,244.80 and 177,085,603.20
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Solution
The fourth proportional to 694,656,163.20, 1,041,984,244.80 and 177,085,603.20 is: 265,628,404.80
Step by Step Solution
- Step 1: Write the proportion equation
694,656,163.20 : 1,041,984,244.80 = 177,085,603.20 : x - Step 2: Convert to fraction form
694,656,163.20/1,041,984,244.80 = 177,085,603.20/x - Step 3: Cross multiply
694,656,163.20x = 1,041,984,244.80 × 177,085,603.20 - Step 4: Simplify right side
694,656,163.20x = 184,520,408,515,304,448 - Step 5: Solve for x
x = 184,520,408,515,304,448/694,656,163.20 - Step 6: Final answer
x = 265,628,404.80
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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.