Finding the Fourth Proportional to 559,321,973.20, 838,982,959.80 and 504,902,414.80
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Solution
The fourth proportional to 559,321,973.20, 838,982,959.80 and 504,902,414.80 is: 757,353,622.20
Step by Step Solution
- Step 1: Write the proportion equation
559,321,973.20 : 838,982,959.80 = 504,902,414.80 : x - Step 2: Convert to fraction form
559,321,973.20/838,982,959.80 = 504,902,414.80/x - Step 3: Cross multiply
559,321,973.20x = 838,982,959.80 × 504,902,414.80 - Step 4: Simplify right side
559,321,973.20x = 423,604,522,379,071,296 - Step 5: Solve for x
x = 423,604,522,379,071,296/559,321,973.20 - Step 6: Final answer
x = 757,353,622.20
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Similar ratio
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1.5x scale
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.