Finding the Fourth Proportional to 932,685,890.97, 1,399,513,025.88 and 380,393,508.09
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Solution
The fourth proportional to 932,685,890.97, 1,399,513,025.88 and 380,393,508.09 is: 570,787,737.53
Step by Step Solution
- Step 1: Write the proportion equation
932,685,890.97 : 1,399,513,025.88 = 380,393,508.09 : x - Step 2: Convert to fraction form
932,685,890.97/1,399,513,025.88 = 380,393,508.09/x - Step 3: Cross multiply
932,685,890.97x = 1,399,513,025.88 × 380,393,508.09 - Step 4: Simplify right side
932,685,890.97x = 532,365,669,532,144,192 - Step 5: Solve for x
x = 532,365,669,532,144,192/932,685,890.97 - Step 6: Final answer
x = 570,787,737.53
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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.