Finding the Fourth Proportional to 358,745,863.20, 495,069,288.30 and 193,733,418.12
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Solution
The fourth proportional to 358,745,863.20, 495,069,288.30 and 193,733,418.12 is: 267,352,115.43
Step by Step Solution
- Step 1: Write the proportion equation
358,745,863.20 : 495,069,288.30 = 193,733,418.12 : x - Step 2: Convert to fraction form
358,745,863.20/495,069,288.30 = 193,733,418.12/x - Step 3: Cross multiply
358,745,863.20x = 495,069,288.30 × 193,733,418.12 - Step 4: Simplify right side
358,745,863.20x = 95,911,465,428,594,736 - Step 5: Solve for x
x = 95,911,465,428,594,736/358,745,863.20 - Step 6: Final answer
x = 267,352,115.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.