Finding the Fourth Proportional to 1,981,329,705.74, 2,734,236,752.82 and 1,089,271,609.49
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Solution
The fourth proportional to 1,981,329,705.74, 2,734,236,752.82 and 1,089,271,609.49 is: 1,503,195,788.08
Step by Step Solution
- Step 1: Write the proportion equation
1,981,329,705.74 : 2,734,236,752.82 = 1,089,271,609.49 : x - Step 2: Convert to fraction form
1,981,329,705.74/2,734,236,752.82 = 1,089,271,609.49/x - Step 3: Cross multiply
1,981,329,705.74x = 2,734,236,752.82 × 1,089,271,609.49 - Step 4: Simplify right side
1,981,329,705.74x = 2,978,326,468,470,952,960 - Step 5: Solve for x
x = 2,978,326,468,470,952,960/1,981,329,705.74 - Step 6: Final answer
x = 1,503,195,788.08
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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.