Finding the Fourth Proportional to 341,034,106.80, 511,551,160.20 and 211,893,943.80
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Solution
The fourth proportional to 341,034,106.80, 511,551,160.20 and 211,893,943.80 is: 317,840,915.70
Step by Step Solution
- Step 1: Write the proportion equation
341,034,106.80 : 511,551,160.20 = 211,893,943.80 : x - Step 2: Convert to fraction form
341,034,106.80/511,551,160.20 = 211,893,943.80/x - Step 3: Cross multiply
341,034,106.80x = 511,551,160.20 × 211,893,943.80 - Step 4: Simplify right side
341,034,106.80x = 108,394,592,790,243,600 - Step 5: Solve for x
x = 108,394,592,790,243,600/341,034,106.80 - Step 6: Final answer
x = 317,840,915.70
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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.