Finding the Fourth Proportional to 358,321,410.95, 494,452,008.05 and 199,539,535.68
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Solution
The fourth proportional to 358,321,410.95, 494,452,008.05 and 199,539,535.68 is: 275,346,995.99
Step by Step Solution
- Step 1: Write the proportion equation
358,321,410.95 : 494,452,008.05 = 199,539,535.68 : x - Step 2: Convert to fraction form
358,321,410.95/494,452,008.05 = 199,539,535.68/x - Step 3: Cross multiply
358,321,410.95x = 494,452,008.05 × 199,539,535.68 - Step 4: Simplify right side
358,321,410.95x = 98,662,724,102,340,624 - Step 5: Solve for x
x = 98,662,724,102,340,624/358,321,410.95 - Step 6: Final answer
x = 275,346,995.99
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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.