Finding the Fourth Proportional to 1,686,416,295.34, 2,327,327,213.24 and 933,729,485.18
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Solution
The fourth proportional to 1,686,416,295.34, 2,327,327,213.24 and 933,729,485.18 is: 1,288,586,956.06
Step by Step Solution
- Step 1: Write the proportion equation
1,686,416,295.34 : 2,327,327,213.24 = 933,729,485.18 : x - Step 2: Convert to fraction form
1,686,416,295.34/2,327,327,213.24 = 933,729,485.18/x - Step 3: Cross multiply
1,686,416,295.34x = 2,327,327,213.24 × 933,729,485.18 - Step 4: Simplify right side
1,686,416,295.34x = 2,173,094,040,663,988,992 - Step 5: Solve for x
x = 2,173,094,040,663,988,992/1,686,416,295.34 - Step 6: Final answer
x = 1,288,586,956.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.