Finding the Fourth Proportional to 512,037,757.99, 706,612,106.80 and 277,088,418.38
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Solution
The fourth proportional to 512,037,757.99, 706,612,106.80 and 277,088,418.38 is: 382,382,017.78
Step by Step Solution
- Step 1: Write the proportion equation
512,037,757.99 : 706,612,106.80 = 277,088,418.38 : x - Step 2: Convert to fraction form
512,037,757.99/706,612,106.80 = 277,088,418.38/x - Step 3: Cross multiply
512,037,757.99x = 706,612,106.80 × 277,088,418.38 - Step 4: Simplify right side
512,037,757.99x = 195,794,031,081,371,616 - Step 5: Solve for x
x = 195,794,031,081,371,616/512,037,757.99 - Step 6: Final answer
x = 382,382,017.78
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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.