Finding the Fourth Proportional to 1,845,500,439.75, 2,768,257,841.49 and 446,482,466.79
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Solution
The fourth proportional to 1,845,500,439.75, 2,768,257,841.49 and 446,482,466.79 is: 669,725,437.70
Step by Step Solution
- Step 1: Write the proportion equation
1,845,500,439.75 : 2,768,257,841.49 = 446,482,466.79 : x - Step 2: Convert to fraction form
1,845,500,439.75/2,768,257,841.49 = 446,482,466.79/x - Step 3: Cross multiply
1,845,500,439.75x = 2,768,257,841.49 × 446,482,466.79 - Step 4: Simplify right side
1,845,500,439.75x = 1,235,978,589,779,215,872 - Step 5: Solve for x
x = 1,235,978,589,779,215,872/1,845,500,439.75 - Step 6: Final answer
x = 669,725,437.70
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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.