Finding the Fourth Proportional to 399,689,922.06, 551,403,195.30 and 267,573,484.44
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Solution
The fourth proportional to 399,689,922.06, 551,403,195.30 and 267,573,484.44 is: 369,138,339.88
Step by Step Solution
- Step 1: Write the proportion equation
399,689,922.06 : 551,403,195.30 = 267,573,484.44 : x - Step 2: Convert to fraction form
399,689,922.06/551,403,195.30 = 267,573,484.44/x - Step 3: Cross multiply
399,689,922.06x = 551,403,195.30 × 267,573,484.44 - Step 4: Simplify right side
399,689,922.06x = 147,540,874,297,770,816 - Step 5: Solve for x
x = 147,540,874,297,770,816/399,689,922.06 - Step 6: Final answer
x = 369,138,339.88
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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.