Finding the Fourth Proportional to 2,519,229,855.68, 3,778,589,648 and 679,168,537.28
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Solution
The fourth proportional to 2,519,229,855.68, 3,778,589,648 and 679,168,537.28 is: 1,018,684,022.99
Step by Step Solution
- Step 1: Write the proportion equation
2,519,229,855.68 : 3,778,589,648 = 679,168,537.28 : x - Step 2: Convert to fraction form
2,519,229,855.68/3,778,589,648 = 679,168,537.28/x - Step 3: Cross multiply
2,519,229,855.68x = 3,778,589,648 × 679,168,537.28 - Step 4: Simplify right side
2,519,229,855.68x = 2,566,299,204,213,510,144 - Step 5: Solve for x
x = 2,566,299,204,213,510,144/2,519,229,855.68 - Step 6: Final answer
x = 1,018,684,022.99
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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.