Finding the Fourth Proportional to 7,853,615,121.40, 11,780,345,049.24 and 3,598,099,423.80
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Solution
The fourth proportional to 7,853,615,121.40, 11,780,345,049.24 and 3,598,099,423.80 is: 5,397,113,568.54
Step by Step Solution
- Step 1: Write the proportion equation
7,853,615,121.40 : 11,780,345,049.24 = 3,598,099,423.80 : x - Step 2: Convert to fraction form
7,853,615,121.40/11,780,345,049.24 = 3,598,099,423.80/x - Step 3: Cross multiply
7,853,615,121.40x = 11,780,345,049.24 × 3,598,099,423.80 - Step 4: Simplify right side
7,853,615,121.40x = 42,386,852,733,835,624,448 - Step 5: Solve for x
x = 42,386,852,733,835,624,448/7,853,615,121.40 - Step 6: Final answer
x = 5,397,113,568.54
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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.