Finding the Fourth Proportional to 609,822,729.12, 841,560,694.56 and 331,364,246.88
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Solution
The fourth proportional to 609,822,729.12, 841,560,694.56 and 331,364,246.88 is: 457,285,556.02
Step by Step Solution
- Step 1: Write the proportion equation
609,822,729.12 : 841,560,694.56 = 331,364,246.88 : x - Step 2: Convert to fraction form
609,822,729.12/841,560,694.56 = 331,364,246.88/x - Step 3: Cross multiply
609,822,729.12x = 841,560,694.56 × 331,364,246.88 - Step 4: Simplify right side
609,822,729.12x = 278,863,125,756,684,096 - Step 5: Solve for x
x = 278,863,125,756,684,096/609,822,729.12 - Step 6: Final answer
x = 457,285,556.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.