Finding the Fourth Proportional to 358,746,924.96, 495,070,751.52 and 193,734,489.60
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Solution
The fourth proportional to 358,746,924.96, 495,070,751.52 and 193,734,489.60 is: 267,353,592.99
Step by Step Solution
- Step 1: Write the proportion equation
358,746,924.96 : 495,070,751.52 = 193,734,489.60 : x - Step 2: Convert to fraction form
358,746,924.96/495,070,751.52 = 193,734,489.60/x - Step 3: Cross multiply
358,746,924.96x = 495,070,751.52 × 193,734,489.60 - Step 4: Simplify right side
358,746,924.96x = 95,912,279,361,615,616 - Step 5: Solve for x
x = 95,912,279,361,615,616/358,746,924.96 - Step 6: Final answer
x = 267,353,592.99
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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.