Finding the Fourth Proportional to 2,977,767,515.18, 4,464,582,836.13 and 1,318,770,771.50
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Solution
The fourth proportional to 2,977,767,515.18, 4,464,582,836.13 and 1,318,770,771.50 is: 1,977,240,103.94
Step by Step Solution
- Step 1: Write the proportion equation
2,977,767,515.18 : 4,464,582,836.13 = 1,318,770,771.50 : x - Step 2: Convert to fraction form
2,977,767,515.18/4,464,582,836.13 = 1,318,770,771.50/x - Step 3: Cross multiply
2,977,767,515.18x = 4,464,582,836.13 × 1,318,770,771.50 - Step 4: Simplify right side
2,977,767,515.18x = 5,887,761,351,228,818,432 - Step 5: Solve for x
x = 5,887,761,351,228,818,432/2,977,767,515.18 - Step 6: Final answer
x = 1,977,240,103.94
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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.