Finding the Fourth Proportional to 3,956,267,697.94, 5,459,660,166.18 and 2,172,236,704.75
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Solution
The fourth proportional to 3,956,267,697.94, 5,459,660,166.18 and 2,172,236,704.75 is: 2,997,692,551.14
Step by Step Solution
- Step 1: Write the proportion equation
3,956,267,697.94 : 5,459,660,166.18 = 2,172,236,704.75 : x - Step 2: Convert to fraction form
3,956,267,697.94/5,459,660,166.18 = 2,172,236,704.75/x - Step 3: Cross multiply
3,956,267,697.94x = 5,459,660,166.18 × 2,172,236,704.75 - Step 4: Simplify right side
3,956,267,697.94x = 11,859,674,208,437,682,176 - Step 5: Solve for x
x = 11,859,674,208,437,682,176/3,956,267,697.94 - Step 6: Final answer
x = 2,997,692,551.14
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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.