Finding the Fourth Proportional to 279,295,622.44, 418,955,224.97 and 82,559,485.74
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Solution
The fourth proportional to 279,295,622.44, 418,955,224.97 and 82,559,485.74 is: 123,842,714.11
Step by Step Solution
- Step 1: Write the proportion equation
279,295,622.44 : 418,955,224.97 = 82,559,485.74 : x - Step 2: Convert to fraction form
279,295,622.44/418,955,224.97 = 82,559,485.74/x - Step 3: Cross multiply
279,295,622.44x = 418,955,224.97 × 82,559,485.74 - Step 4: Simplify right side
279,295,622.44x = 34,588,727,921,815,604 - Step 5: Solve for x
x = 34,588,727,921,815,604/279,295,622.44 - Step 6: Final answer
x = 123,842,714.11
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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.