Finding the Fourth Proportional to 7,080,758,576.55, 10,615,901,758.05 and 4,282,104,931.53
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Solution
The fourth proportional to 7,080,758,576.55, 10,615,901,758.05 and 4,282,104,931.53 is: 6,419,990,849.76
Step by Step Solution
- Step 1: Write the proportion equation
7,080,758,576.55 : 10,615,901,758.05 = 4,282,104,931.53 : x - Step 2: Convert to fraction form
7,080,758,576.55/10,615,901,758.05 = 4,282,104,931.53/x - Step 3: Cross multiply
7,080,758,576.55x = 10,615,901,758.05 × 4,282,104,931.53 - Step 4: Simplify right side
7,080,758,576.55x = 45,458,405,270,783,901,696 - Step 5: Solve for x
x = 45,458,405,270,783,901,696/7,080,758,576.55 - Step 6: Final answer
x = 6,419,990,849.76
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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.