Finding the Fourth Proportional to 371,119,136.41, 512,114,541.24 and 214,496,387.83
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Solution
The fourth proportional to 371,119,136.41, 512,114,541.24 and 214,496,387.83 is: 295,987,752.92
Step by Step Solution
- Step 1: Write the proportion equation
371,119,136.41 : 512,114,541.24 = 214,496,387.83 : x - Step 2: Convert to fraction form
371,119,136.41/512,114,541.24 = 214,496,387.83/x - Step 3: Cross multiply
371,119,136.41x = 512,114,541.24 × 214,496,387.83 - Step 4: Simplify right side
371,119,136.41x = 109,846,719,251,197,584 - Step 5: Solve for x
x = 109,846,719,251,197,584/371,119,136.41 - Step 6: Final answer
x = 295,987,752.92
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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.