Finding the Fourth Proportional to 4,086,339,740.28, 5,639,148,808.36 and 2,206,744,858.06
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Solution
The fourth proportional to 4,086,339,740.28, 5,639,148,808.36 and 2,206,744,858.06 is: 3,045,307,886.17
Step by Step Solution
- Step 1: Write the proportion equation
4,086,339,740.28 : 5,639,148,808.36 = 2,206,744,858.06 : x - Step 2: Convert to fraction form
4,086,339,740.28/5,639,148,808.36 = 2,206,744,858.06/x - Step 3: Cross multiply
4,086,339,740.28x = 5,639,148,808.36 × 2,206,744,858.06 - Step 4: Simplify right side
4,086,339,740.28x = 12,444,162,636,663,990,272 - Step 5: Solve for x
x = 12,444,162,636,663,990,272/4,086,339,740.28 - Step 6: Final answer
x = 3,045,307,886.17
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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.