Finding the Fourth Proportional to 3,073,682,311.20, 4,248,830,291.76 and 2,742,437,891.52
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Solution
The fourth proportional to 3,073,682,311.20, 4,248,830,291.76 and 2,742,437,891.52 is: 3,790,942,591.66
Step by Step Solution
- Step 1: Write the proportion equation
3,073,682,311.20 : 4,248,830,291.76 = 2,742,437,891.52 : x - Step 2: Convert to fraction form
3,073,682,311.20/4,248,830,291.76 = 2,742,437,891.52/x - Step 3: Cross multiply
3,073,682,311.20x = 4,248,830,291.76 × 2,742,437,891.52 - Step 4: Simplify right side
3,073,682,311.20x = 11,652,153,186,760,601,600 - Step 5: Solve for x
x = 11,652,153,186,760,601,600/3,073,682,311.20 - Step 6: Final answer
x = 3,790,942,591.66
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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.