Finding the Fourth Proportional to 1,867,967,278.67, 2,802,658,585.66 and 1,121,504,336.65
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Solution
The fourth proportional to 1,867,967,278.67, 2,802,658,585.66 and 1,121,504,336.65 is: 1,682,681,379.84
Step by Step Solution
- Step 1: Write the proportion equation
1,867,967,278.67 : 2,802,658,585.66 = 1,121,504,336.65 : x - Step 2: Convert to fraction form
1,867,967,278.67/2,802,658,585.66 = 1,121,504,336.65/x - Step 3: Cross multiply
1,867,967,278.67x = 2,802,658,585.66 × 1,121,504,336.65 - Step 4: Simplify right side
1,867,967,278.67x = 3,143,193,757,967,045,632 - Step 5: Solve for x
x = 3,143,193,757,967,045,632/1,867,967,278.67 - Step 6: Final answer
x = 1,682,681,379.84
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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.