Finding the Fourth Proportional to 3,248,017,865.68, 4,481,496,096.84 and 1,838,321,868.88
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Solution
The fourth proportional to 3,248,017,865.68, 4,481,496,096.84 and 1,838,321,868.88 is: 2,536,449,188.65
Step by Step Solution
- Step 1: Write the proportion equation
3,248,017,865.68 : 4,481,496,096.84 = 1,838,321,868.88 : x - Step 2: Convert to fraction form
3,248,017,865.68/4,481,496,096.84 = 1,838,321,868.88/x - Step 3: Cross multiply
3,248,017,865.68x = 4,481,496,096.84 × 1,838,321,868.88 - Step 4: Simplify right side
3,248,017,865.68x = 8,238,432,280,121,334,784 - Step 5: Solve for x
x = 8,238,432,280,121,334,784/3,248,017,865.68 - Step 6: Final answer
x = 2,536,449,188.65
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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.