Finding the Fourth Proportional to 1,269,250,359.31, 1,902,874,239.24 and 801,926,765.09
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Solution
The fourth proportional to 1,269,250,359.31, 1,902,874,239.24 and 801,926,765.09 is: 1,202,257,515.12
Step by Step Solution
- Step 1: Write the proportion equation
1,269,250,359.31 : 1,902,874,239.24 = 801,926,765.09 : x - Step 2: Convert to fraction form
1,269,250,359.31/1,902,874,239.24 = 801,926,765.09/x - Step 3: Cross multiply
1,269,250,359.31x = 1,902,874,239.24 × 801,926,765.09 - Step 4: Simplify right side
1,269,250,359.31x = 1,525,965,783,046,828,032 - Step 5: Solve for x
x = 1,525,965,783,046,828,032/1,269,250,359.31 - Step 6: Final answer
x = 1,202,257,515.12
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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.