Finding the Fourth Proportional to 358,758,358.08, 495,086,515.20 and 193,745,911.68
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Solution
The fourth proportional to 358,758,358.08, 495,086,515.20 and 193,745,911.68 is: 267,369,347.88
Step by Step Solution
- Step 1: Write the proportion equation
358,758,358.08 : 495,086,515.20 = 193,745,911.68 : x - Step 2: Convert to fraction form
358,758,358.08/495,086,515.20 = 193,745,911.68/x - Step 3: Cross multiply
358,758,358.08x = 495,086,515.20 × 193,745,911.68 - Step 4: Simplify right side
358,758,358.08x = 95,920,988,247,898,176 - Step 5: Solve for x
x = 95,920,988,247,898,176/358,758,358.08 - Step 6: Final answer
x = 267,369,347.88
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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.