Finding the Fourth Proportional to 1,891,360,164.20, 2,837,040,246.30 and 1,632,867,261.80
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Solution
The fourth proportional to 1,891,360,164.20, 2,837,040,246.30 and 1,632,867,261.80 is: 2,449,300,892.70
Step by Step Solution
- Step 1: Write the proportion equation
1,891,360,164.20 : 2,837,040,246.30 = 1,632,867,261.80 : x - Step 2: Convert to fraction form
1,891,360,164.20/2,837,040,246.30 = 1,632,867,261.80/x - Step 3: Cross multiply
1,891,360,164.20x = 2,837,040,246.30 × 1,632,867,261.80 - Step 4: Simplify right side
1,891,360,164.20x = 4,632,510,138,592,278,528 - Step 5: Solve for x
x = 4,632,510,138,592,278,528/1,891,360,164.20 - Step 6: Final answer
x = 2,449,300,892.70
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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.