Finding the Fourth Proportional to 1,609,632,187.80, 2,414,448,281.70 and 1,318,827,672.60
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Solution
The fourth proportional to 1,609,632,187.80, 2,414,448,281.70 and 1,318,827,672.60 is: 1,978,241,508.90
Step by Step Solution
- Step 1: Write the proportion equation
1,609,632,187.80 : 2,414,448,281.70 = 1,318,827,672.60 : x - Step 2: Convert to fraction form
1,609,632,187.80/2,414,448,281.70 = 1,318,827,672.60/x - Step 3: Cross multiply
1,609,632,187.80x = 2,414,448,281.70 × 1,318,827,672.60 - Step 4: Simplify right side
1,609,632,187.80x = 3,184,241,207,967,479,808 - Step 5: Solve for x
x = 3,184,241,207,967,479,808/1,609,632,187.80 - Step 6: Final answer
x = 1,978,241,508.90
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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.