Finding the Fourth Proportional to 7,186,236,163.30, 10,778,346,475.35 and 2,279,405,980.90
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Solution
The fourth proportional to 7,186,236,163.30, 10,778,346,475.35 and 2,279,405,980.90 is: 3,418,789,316.39
Step by Step Solution
- Step 1: Write the proportion equation
7,186,236,163.30 : 10,778,346,475.35 = 2,279,405,980.90 : x - Step 2: Convert to fraction form
7,186,236,163.30/10,778,346,475.35 = 2,279,405,980.90/x - Step 3: Cross multiply
7,186,236,163.30x = 10,778,346,475.35 × 2,279,405,980.90 - Step 4: Simplify right side
7,186,236,163.30x = 24,568,227,420,125,224,960 - Step 5: Solve for x
x = 24,568,227,420,125,224,960/7,186,236,163.30 - Step 6: Final answer
x = 3,418,789,316.39
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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.