Finding the Fourth Proportional to 434,911,195.80, 600,177,548.55 and 239,340,907.80
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Solution
The fourth proportional to 434,911,195.80, 600,177,548.55 and 239,340,907.80 is: 330,290,506.89
Step by Step Solution
- Step 1: Write the proportion equation
434,911,195.80 : 600,177,548.55 = 239,340,907.80 : x - Step 2: Convert to fraction form
434,911,195.80/600,177,548.55 = 239,340,907.80/x - Step 3: Cross multiply
434,911,195.80x = 600,177,548.55 × 239,340,907.80 - Step 4: Simplify right side
434,911,195.80x = 143,647,039,311,135,568 - Step 5: Solve for x
x = 143,647,039,311,135,568/434,911,195.80 - Step 6: Final answer
x = 330,290,506.89
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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.