Finding the Fourth Proportional to 1,609,635,927.80, 2,414,453,891.70 and 1,318,831,412.60
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Solution
The fourth proportional to 1,609,635,927.80, 2,414,453,891.70 and 1,318,831,412.60 is: 1,978,247,118.90
Step by Step Solution
- Step 1: Write the proportion equation
1,609,635,927.80 : 2,414,453,891.70 = 1,318,831,412.60 : x - Step 2: Convert to fraction form
1,609,635,927.80/2,414,453,891.70 = 1,318,831,412.60/x - Step 3: Cross multiply
1,609,635,927.80x = 2,414,453,891.70 × 1,318,831,412.60 - Step 4: Simplify right side
1,609,635,927.80x = 3,184,257,636,648,278,016 - Step 5: Solve for x
x = 3,184,257,636,648,278,016/1,609,635,927.80 - Step 6: Final answer
x = 1,978,247,118.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.