Finding the Fourth Proportional to 7,389,580,217.51, 10,197,539,516.09 and 4,002,405,239.27
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Solution
The fourth proportional to 7,389,580,217.51, 10,197,539,516.09 and 4,002,405,239.27 is: 5,523,275,258.60
Step by Step Solution
- Step 1: Write the proportion equation
7,389,580,217.51 : 10,197,539,516.09 = 4,002,405,239.27 : x - Step 2: Convert to fraction form
7,389,580,217.51/10,197,539,516.09 = 4,002,405,239.27/x - Step 3: Cross multiply
7,389,580,217.51x = 10,197,539,516.09 × 4,002,405,239.27 - Step 4: Simplify right side
7,389,580,217.51x = 40,814,685,586,790,473,728 - Step 5: Solve for x
x = 40,814,685,586,790,473,728/7,389,580,217.51 - Step 6: Final answer
x = 5,523,275,258.60
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1.5x scale
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.