Finding the Fourth Proportional to 442,871,302.60, 664,306,953.90 and 328,080,046.60
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Solution
The fourth proportional to 442,871,302.60, 664,306,953.90 and 328,080,046.60 is: 492,120,069.90
Step by Step Solution
- Step 1: Write the proportion equation
442,871,302.60 : 664,306,953.90 = 328,080,046.60 : x - Step 2: Convert to fraction form
442,871,302.60/664,306,953.90 = 328,080,046.60/x - Step 3: Cross multiply
442,871,302.60x = 664,306,953.90 × 328,080,046.60 - Step 4: Simplify right side
442,871,302.60x = 217,945,856,392,216,064 - Step 5: Solve for x
x = 217,945,856,392,216,064/442,871,302.60 - Step 6: Final answer
x = 492,120,069.90
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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.