Finding the Fourth Proportional to 358,745,873.70, 495,069,302.79 and 193,733,428.62
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Solution
The fourth proportional to 358,745,873.70, 495,069,302.79 and 193,733,428.62 is: 267,352,129.92
Step by Step Solution
- Step 1: Write the proportion equation
358,745,873.70 : 495,069,302.79 = 193,733,428.62 : x - Step 2: Convert to fraction form
358,745,873.70/495,069,302.79 = 193,733,428.62/x - Step 3: Cross multiply
358,745,873.70x = 495,069,302.79 × 193,733,428.62 - Step 4: Simplify right side
358,745,873.70x = 95,911,473,434,019,632 - Step 5: Solve for x
x = 95,911,473,434,019,632/358,745,873.70 - Step 6: Final answer
x = 267,352,129.92
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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.