Finding the Fourth Proportional to 2,169,031,677.19, 2,993,054,559.02 and 1,216,451,086.99
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Solution
The fourth proportional to 2,169,031,677.19, 2,993,054,559.02 and 1,216,451,086.99 is: 1,678,585,200.03
Step by Step Solution
- Step 1: Write the proportion equation
2,169,031,677.19 : 2,993,054,559.02 = 1,216,451,086.99 : x - Step 2: Convert to fraction form
2,169,031,677.19/2,993,054,559.02 = 1,216,451,086.99/x - Step 3: Cross multiply
2,169,031,677.19x = 2,993,054,559.02 × 1,216,451,086.99 - Step 4: Simplify right side
2,169,031,677.19x = 3,640,904,471,731,311,104 - Step 5: Solve for x
x = 3,640,904,471,731,311,104/2,169,031,677.19 - Step 6: Final answer
x = 1,678,585,200.03
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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.