Finding the Fourth Proportional to 1,920,198,412.20, 2,880,297,618.30 and 1,839,576,844.20
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Solution
The fourth proportional to 1,920,198,412.20, 2,880,297,618.30 and 1,839,576,844.20 is: 2,759,365,266.30
Step by Step Solution
- Step 1: Write the proportion equation
1,920,198,412.20 : 2,880,297,618.30 = 1,839,576,844.20 : x - Step 2: Convert to fraction form
1,920,198,412.20/2,880,297,618.30 = 1,839,576,844.20/x - Step 3: Cross multiply
1,920,198,412.20x = 2,880,297,618.30 × 1,839,576,844.20 - Step 4: Simplify right side
1,920,198,412.20x = 5,298,528,803,029,090,304 - Step 5: Solve for x
x = 5,298,528,803,029,090,304/1,920,198,412.20 - Step 6: Final answer
x = 2,759,365,266.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.