Finding the Fourth Proportional to 399,168,139.60, 598,304,311.80 and 226,727,563.60
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Solution
The fourth proportional to 399,168,139.60, 598,304,311.80 and 226,727,563.60 is: 339,836,939.50
Step by Step Solution
- Step 1: Write the proportion equation
399,168,139.60 : 598,304,311.80 = 226,727,563.60 : x - Step 2: Convert to fraction form
399,168,139.60/598,304,311.80 = 226,727,563.60/x - Step 3: Cross multiply
399,168,139.60x = 598,304,311.80 × 226,727,563.60 - Step 4: Simplify right side
399,168,139.60x = 135,652,078,905,788,720 - Step 5: Solve for x
x = 135,652,078,905,788,720/399,168,139.60 - Step 6: Final answer
x = 339,836,939.50
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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.