Finding the Fourth Proportional to 2,154,884,909.97, 3,230,776,069.26 and 1,324,122,139.32
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Solution
The fourth proportional to 2,154,884,909.97, 3,230,776,069.26 and 1,324,122,139.32 is: 1,985,229,977.11
Step by Step Solution
- Step 1: Write the proportion equation
2,154,884,909.97 : 3,230,776,069.26 = 1,324,122,139.32 : x - Step 2: Convert to fraction form
2,154,884,909.97/3,230,776,069.26 = 1,324,122,139.32/x - Step 3: Cross multiply
2,154,884,909.97x = 3,230,776,069.26 × 1,324,122,139.32 - Step 4: Simplify right side
2,154,884,909.97x = 4,277,942,120,500,933,120 - Step 5: Solve for x
x = 4,277,942,120,500,933,120/2,154,884,909.97 - Step 6: Final answer
x = 1,985,229,977.11
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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.