Finding the Fourth Proportional to 896,743,485.36, 1,345,171,958.40 and 379,077,436.08
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Solution
The fourth proportional to 896,743,485.36, 1,345,171,958.40 and 379,077,436.08 is: 568,640,135.56
Step by Step Solution
- Step 1: Write the proportion equation
896,743,485.36 : 1,345,171,958.40 = 379,077,436.08 : x - Step 2: Convert to fraction form
896,743,485.36/1,345,171,958.40 = 379,077,436.08/x - Step 3: Cross multiply
896,743,485.36x = 1,345,171,958.40 × 379,077,436.08 - Step 4: Simplify right side
896,743,485.36x = 509,924,337,076,984,448 - Step 5: Solve for x
x = 509,924,337,076,984,448/896,743,485.36 - Step 6: Final answer
x = 568,640,135.56
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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.