Finding the Fourth Proportional to 1,889,049,771.18, 2,606,967,529.38 and 1,042,332,020.28
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Solution
The fourth proportional to 1,889,049,771.18, 2,606,967,529.38 and 1,042,332,020.28 is: 1,438,461,692.84
Step by Step Solution
- Step 1: Write the proportion equation
1,889,049,771.18 : 2,606,967,529.38 = 1,042,332,020.28 : x - Step 2: Convert to fraction form
1,889,049,771.18/2,606,967,529.38 = 1,042,332,020.28/x - Step 3: Cross multiply
1,889,049,771.18x = 2,606,967,529.38 × 1,042,332,020.28 - Step 4: Simplify right side
1,889,049,771.18x = 2,717,325,731,703,015,936 - Step 5: Solve for x
x = 2,717,325,731,703,015,936/1,889,049,771.18 - Step 6: Final answer
x = 1,438,461,692.84
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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.