Finding the Fourth Proportional to 358,321,409.95, 494,452,006.67 and 199,539,534.68
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Solution
The fourth proportional to 358,321,409.95, 494,452,006.67 and 199,539,534.68 is: 275,346,994.61
Step by Step Solution
- Step 1: Write the proportion equation
358,321,409.95 : 494,452,006.67 = 199,539,534.68 : x - Step 2: Convert to fraction form
358,321,409.95/494,452,006.67 = 199,539,534.68/x - Step 3: Cross multiply
358,321,409.95x = 494,452,006.67 × 199,539,534.68 - Step 4: Simplify right side
358,321,409.95x = 98,662,723,334,259,040 - Step 5: Solve for x
x = 98,662,723,334,259,040/358,321,409.95 - Step 6: Final answer
x = 275,346,994.61
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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.