Finding the Fourth Proportional to 3,471,866,559, 4,791,177,717.66 and 1,907,405,031.96
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Solution
The fourth proportional to 3,471,866,559, 4,791,177,717.66 and 1,907,405,031.96 is: 2,632,219,969.40
Step by Step Solution
- Step 1: Write the proportion equation
3,471,866,559 : 4,791,177,717.66 = 1,907,405,031.96 : x - Step 2: Convert to fraction form
3,471,866,559/4,791,177,717.66 = 1,907,405,031.96/x - Step 3: Cross multiply
3,471,866,559x = 4,791,177,717.66 × 1,907,405,031.96 - Step 4: Simplify right side
3,471,866,559x = 9,138,716,487,679,311,872 - Step 5: Solve for x
x = 9,138,716,487,679,311,872/3,471,866,559 - Step 6: Final answer
x = 2,632,219,969.40
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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.