Finding the Fourth Proportional to 341,954,635.74, 472,129,044.90 and 216,618,056.70
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Solution
The fourth proportional to 341,954,635.74, 472,129,044.90 and 216,618,056.70 is: 299,079,660.07
Step by Step Solution
- Step 1: Write the proportion equation
341,954,635.74 : 472,129,044.90 = 216,618,056.70 : x - Step 2: Convert to fraction form
341,954,635.74/472,129,044.90 = 216,618,056.70/x - Step 3: Cross multiply
341,954,635.74x = 472,129,044.90 × 216,618,056.70 - Step 4: Simplify right side
341,954,635.74x = 102,271,676,217,865,040 - Step 5: Solve for x
x = 102,271,676,217,865,040/341,954,635.74 - Step 6: Final answer
x = 299,079,660.07
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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.