Finding the Fourth Proportional to 609,438,714.28, 841,030,367.16 and 330,982,231.12
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Solution
The fourth proportional to 609,438,714.28, 841,030,367.16 and 330,982,231.12 is: 456,758,162.62
Step by Step Solution
- Step 1: Write the proportion equation
609,438,714.28 : 841,030,367.16 = 330,982,231.12 : x - Step 2: Convert to fraction form
609,438,714.28/841,030,367.16 = 330,982,231.12/x - Step 3: Cross multiply
609,438,714.28x = 841,030,367.16 × 330,982,231.12 - Step 4: Simplify right side
609,438,714.28x = 278,366,107,362,289,568 - Step 5: Solve for x
x = 278,366,107,362,289,568/609,438,714.28 - Step 6: Final answer
x = 456,758,162.62
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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.