Finding the Fourth Proportional to 394,928,124.30, 592,392,186.45 and 201,217,879.80
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Solution
The fourth proportional to 394,928,124.30, 592,392,186.45 and 201,217,879.80 is: 301,826,819.70
Step by Step Solution
- Step 1: Write the proportion equation
394,928,124.30 : 592,392,186.45 = 201,217,879.80 : x - Step 2: Convert to fraction form
394,928,124.30/592,392,186.45 = 201,217,879.80/x - Step 3: Cross multiply
394,928,124.30x = 592,392,186.45 × 201,217,879.80 - Step 4: Simplify right side
394,928,124.30x = 119,199,899,767,555,312 - Step 5: Solve for x
x = 119,199,899,767,555,312/394,928,124.30 - Step 6: Final answer
x = 301,826,819.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.