Finding the Fourth Proportional to 7,184,120,748.80, 10,768,118,966.40 and 4,080,190,380.80
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Solution
The fourth proportional to 7,184,120,748.80, 10,768,118,966.40 and 4,080,190,380.80 is: 6,115,706,704.03
Step by Step Solution
- Step 1: Write the proportion equation
7,184,120,748.80 : 10,768,118,966.40 = 4,080,190,380.80 : x - Step 2: Convert to fraction form
7,184,120,748.80/10,768,118,966.40 = 4,080,190,380.80/x - Step 3: Cross multiply
7,184,120,748.80x = 10,768,118,966.40 × 4,080,190,380.80 - Step 4: Simplify right side
7,184,120,748.80x = 43,935,975,426,015,322,112 - Step 5: Solve for x
x = 43,935,975,426,015,322,112/7,184,120,748.80 - Step 6: Final answer
x = 6,115,706,704.03
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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.