Finding the Fourth Proportional to 1,967,352,270.93, 2,949,212,379.92 and 983,923,047.81
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Solution
The fourth proportional to 1,967,352,270.93, 2,949,212,379.92 and 983,923,047.81 is: 1,474,976,330.55
Step by Step Solution
- Step 1: Write the proportion equation
1,967,352,270.93 : 2,949,212,379.92 = 983,923,047.81 : x - Step 2: Convert to fraction form
1,967,352,270.93/2,949,212,379.92 = 983,923,047.81/x - Step 3: Cross multiply
1,967,352,270.93x = 2,949,212,379.92 × 983,923,047.81 - Step 4: Simplify right side
1,967,352,270.93x = 2,901,798,033,484,950,016 - Step 5: Solve for x
x = 2,901,798,033,484,950,016/1,967,352,270.93 - Step 6: Final answer
x = 1,474,976,330.55
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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.