Finding the Fourth Proportional to 3,946,933,333.44, 5,920,765,316.68 and 1,291,004,491.68
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Solution
The fourth proportional to 3,946,933,333.44, 5,920,765,316.68 and 1,291,004,491.68 is: 1,936,626,229.09
Step by Step Solution
- Step 1: Write the proportion equation
3,946,933,333.44 : 5,920,765,316.68 = 1,291,004,491.68 : x - Step 2: Convert to fraction form
3,946,933,333.44/5,920,765,316.68 = 1,291,004,491.68/x - Step 3: Cross multiply
3,946,933,333.44x = 5,920,765,316.68 × 1,291,004,491.68 - Step 4: Simplify right side
3,946,933,333.44x = 7,643,734,618,017,038,336 - Step 5: Solve for x
x = 7,643,734,618,017,038,336/3,946,933,333.44 - Step 6: Final answer
x = 1,936,626,229.09
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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.