Finding the Fourth Proportional to 2,727,507,961.08, 4,091,407,989.48 and 862,011,745.20
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Solution
The fourth proportional to 2,727,507,961.08, 4,091,407,989.48 and 862,011,745.20 is: 1,293,063,775.31
Step by Step Solution
- Step 1: Write the proportion equation
2,727,507,961.08 : 4,091,407,989.48 = 862,011,745.20 : x - Step 2: Convert to fraction form
2,727,507,961.08/4,091,407,989.48 = 862,011,745.20/x - Step 3: Cross multiply
2,727,507,961.08x = 4,091,407,989.48 × 862,011,745.20 - Step 4: Simplify right side
2,727,507,961.08x = 3,526,841,741,336,878,080 - Step 5: Solve for x
x = 3,526,841,741,336,878,080/2,727,507,961.08 - Step 6: Final answer
x = 1,293,063,775.31
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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.