Finding the Fourth Proportional to 5,242,900,754.88, 7,234,912,660.32 and 2,863,564,954.56
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Solution
The fourth proportional to 5,242,900,754.88, 7,234,912,660.32 and 2,863,564,954.56 is: 3,951,561,036.91
Step by Step Solution
- Step 1: Write the proportion equation
5,242,900,754.88 : 7,234,912,660.32 = 2,863,564,954.56 : x - Step 2: Convert to fraction form
5,242,900,754.88/7,234,912,660.32 = 2,863,564,954.56/x - Step 3: Cross multiply
5,242,900,754.88x = 7,234,912,660.32 × 2,863,564,954.56 - Step 4: Simplify right side
5,242,900,754.88x = 20,717,642,343,394,807,808 - Step 5: Solve for x
x = 20,717,642,343,394,807,808/5,242,900,754.88 - Step 6: Final answer
x = 3,951,561,036.91
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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.