Finding the Fourth Proportional to 7,080,758,571.55, 10,615,901,750.56 and 4,282,104,926.53
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Solution
The fourth proportional to 7,080,758,571.55, 10,615,901,750.56 and 4,282,104,926.53 is: 6,419,990,842.26
Step by Step Solution
- Step 1: Write the proportion equation
7,080,758,571.55 : 10,615,901,750.56 = 4,282,104,926.53 : x - Step 2: Convert to fraction form
7,080,758,571.55/10,615,901,750.56 = 4,282,104,926.53/x - Step 3: Cross multiply
7,080,758,571.55x = 10,615,901,750.56 × 4,282,104,926.53 - Step 4: Simplify right side
7,080,758,571.55x = 45,458,405,185,631,428,608 - Step 5: Solve for x
x = 45,458,405,185,631,428,608/7,080,758,571.55 - Step 6: Final answer
x = 6,419,990,842.26
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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.