Finding the Fourth Proportional to 358,966,299.63, 495,411,578.19 and 210,412,233.63
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Solution
The fourth proportional to 358,966,299.63, 495,411,578.19 and 210,412,233.63 is: 290,391,206.20
Step by Step Solution
- Step 1: Write the proportion equation
358,966,299.63 : 495,411,578.19 = 210,412,233.63 : x - Step 2: Convert to fraction form
358,966,299.63/495,411,578.19 = 210,412,233.63/x - Step 3: Cross multiply
358,966,299.63x = 495,411,578.19 × 210,412,233.63 - Step 4: Simplify right side
358,966,299.63x = 104,240,656,733,121,296 - Step 5: Solve for x
x = 104,240,656,733,121,296/358,966,299.63 - Step 6: Final answer
x = 290,391,206.20
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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.