Finding the Fourth Proportional to 2,595,578,218.26, 3,581,878,142.40 and 1,406,138,678.10
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Solution
The fourth proportional to 2,595,578,218.26, 3,581,878,142.40 and 1,406,138,678.10 is: 1,940,460,649.90
Step by Step Solution
- Step 1: Write the proportion equation
2,595,578,218.26 : 3,581,878,142.40 = 1,406,138,678.10 : x - Step 2: Convert to fraction form
2,595,578,218.26/3,581,878,142.40 = 1,406,138,678.10/x - Step 3: Cross multiply
2,595,578,218.26x = 3,581,878,142.40 × 1,406,138,678.10 - Step 4: Simplify right side
2,595,578,218.26x = 5,036,617,396,269,619,200 - Step 5: Solve for x
x = 5,036,617,396,269,619,200/2,595,578,218.26 - Step 6: Final answer
x = 1,940,460,649.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.