Finding the Fourth Proportional to 784,180,336.27, 1,176,445,930.97 and 238,964,541.07
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Solution
The fourth proportional to 784,180,336.27, 1,176,445,930.97 and 238,964,541.07 is: 358,500,269.62
Step by Step Solution
- Step 1: Write the proportion equation
784,180,336.27 : 1,176,445,930.97 = 238,964,541.07 : x - Step 2: Convert to fraction form
784,180,336.27/1,176,445,930.97 = 238,964,541.07/x - Step 3: Cross multiply
784,180,336.27x = 1,176,445,930.97 × 238,964,541.07 - Step 4: Simplify right side
784,180,336.27x = 281,128,861,986,720,096 - Step 5: Solve for x
x = 281,128,861,986,720,096/784,180,336.27 - Step 6: Final answer
x = 358,500,269.62
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1.5x scale
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.