Finding the Fourth Proportional to 18,107,701,907.55, 27,161,546,468.42 and 4,842,615,426.09
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Solution
The fourth proportional to 18,107,701,907.55, 27,161,546,468.42 and 4,842,615,426.09 is: 7,263,921,429.45
Step by Step Solution
- Step 1: Write the proportion equation
18,107,701,907.55 : 27,161,546,468.42 = 4,842,615,426.09 : x - Step 2: Convert to fraction form
18,107,701,907.55/27,161,546,468.42 = 4,842,615,426.09/x - Step 3: Cross multiply
18,107,701,907.55x = 27,161,546,468.42 × 4,842,615,426.09 - Step 4: Simplify right side
18,107,701,907.55x = 131,532,923,924,431,044,608 - Step 5: Solve for x
x = 131,532,923,924,431,044,608/18,107,701,907.55 - Step 6: Final answer
x = 7,263,921,429.45
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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.