Finding the Fourth Proportional to 8,283,979,372.73, 12,425,969,203.80 and 1,988,408,596.01
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Solution
The fourth proportional to 8,283,979,372.73, 12,425,969,203.80 and 1,988,408,596.01 is: 2,982,612,928.74
Step by Step Solution
- Step 1: Write the proportion equation
8,283,979,372.73 : 12,425,969,203.80 = 1,988,408,596.01 : x - Step 2: Convert to fraction form
8,283,979,372.73/12,425,969,203.80 = 1,988,408,596.01/x - Step 3: Cross multiply
8,283,979,372.73x = 12,425,969,203.80 × 1,988,408,596.01 - Step 4: Simplify right side
8,283,979,372.73x = 24,707,903,978,537,283,584 - Step 5: Solve for x
x = 24,707,903,978,537,283,584/8,283,979,372.73 - Step 6: Final answer
x = 2,982,612,928.74
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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.