Finding the Fourth Proportional to 852,128,996.67, 1,278,266,271.08 and 299,383,409.07
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Solution
The fourth proportional to 852,128,996.67, 1,278,266,271.08 and 299,383,409.07 is: 449,100,682.44
Step by Step Solution
- Step 1: Write the proportion equation
852,128,996.67 : 1,278,266,271.08 = 299,383,409.07 : x - Step 2: Convert to fraction form
852,128,996.67/1,278,266,271.08 = 299,383,409.07/x - Step 3: Cross multiply
852,128,996.67x = 1,278,266,271.08 × 299,383,409.07 - Step 4: Simplify right side
852,128,996.67x = 382,691,713,933,630,208 - Step 5: Solve for x
x = 382,691,713,933,630,208/852,128,996.67 - Step 6: Final answer
x = 449,100,682.44
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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.