Finding the Fourth Proportional to 422,094,392.82, 633,201,687.99 and 130,986,671.94
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Solution
The fourth proportional to 422,094,392.82, 633,201,687.99 and 130,986,671.94 is: 196,498,658.09
Step by Step Solution
- Step 1: Write the proportion equation
422,094,392.82 : 633,201,687.99 = 130,986,671.94 : x - Step 2: Convert to fraction form
422,094,392.82/633,201,687.99 = 130,986,671.94/x - Step 3: Cross multiply
422,094,392.82x = 633,201,687.99 × 130,986,671.94 - Step 4: Simplify right side
422,094,392.82x = 82,940,981,776,600,368 - Step 5: Solve for x
x = 82,940,981,776,600,368/422,094,392.82 - Step 6: Final answer
x = 196,498,658.09
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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.