Finding the Fourth Proportional to 2,251,857,938.96, 3,107,589,234.10 and 1,286,369,704.98
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Solution
The fourth proportional to 2,251,857,938.96, 3,107,589,234.10 and 1,286,369,704.98 is: 1,775,204,633.07
Step by Step Solution
- Step 1: Write the proportion equation
2,251,857,938.96 : 3,107,589,234.10 = 1,286,369,704.98 : x - Step 2: Convert to fraction form
2,251,857,938.96/3,107,589,234.10 = 1,286,369,704.98/x - Step 3: Cross multiply
2,251,857,938.96x = 3,107,589,234.10 × 1,286,369,704.98 - Step 4: Simplify right side
2,251,857,938.96x = 3,997,508,646,268,240,896 - Step 5: Solve for x
x = 3,997,508,646,268,240,896/2,251,857,938.96 - Step 6: Final answer
x = 1,775,204,633.07
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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.