Finding the Fourth Proportional to 7,678,707,494.34, 11,507,948,183.07 and 3,251,649,015.12
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Solution
The fourth proportional to 7,678,707,494.34, 11,507,948,183.07 and 3,251,649,015.12 is: 4,873,191,015.95
Step by Step Solution
- Step 1: Write the proportion equation
7,678,707,494.34 : 11,507,948,183.07 = 3,251,649,015.12 : x - Step 2: Convert to fraction form
7,678,707,494.34/11,507,948,183.07 = 3,251,649,015.12/x - Step 3: Cross multiply
7,678,707,494.34x = 11,507,948,183.07 × 3,251,649,015.12 - Step 4: Simplify right side
7,678,707,494.34x = 37,419,808,375,531,552,768 - Step 5: Solve for x
x = 37,419,808,375,531,552,768/7,678,707,494.34 - Step 6: Final answer
x = 4,873,191,015.95
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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.