Finding the Fourth Proportional to 4,541,440,978.12, 6,267,188,785.44 and 2,506,892,369.60
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Solution
The fourth proportional to 4,541,440,978.12, 6,267,188,785.44 and 2,506,892,369.60 is: 3,459,511,600.12
Step by Step Solution
- Step 1: Write the proportion equation
4,541,440,978.12 : 6,267,188,785.44 = 2,506,892,369.60 : x - Step 2: Convert to fraction form
4,541,440,978.12/6,267,188,785.44 = 2,506,892,369.60/x - Step 3: Cross multiply
4,541,440,978.12x = 6,267,188,785.44 × 2,506,892,369.60 - Step 4: Simplify right side
4,541,440,978.12x = 15,711,167,745,062,225,920 - Step 5: Solve for x
x = 15,711,167,745,062,225,920/4,541,440,978.12 - Step 6: Final answer
x = 3,459,511,600.12
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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.