Finding the Fourth Proportional to 2,899,777,811.84, 4,351,832,930.56 and 1,964,883,928.96
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Solution
The fourth proportional to 2,899,777,811.84, 4,351,832,930.56 and 1,964,883,928.96 is: 2,948,793,715.11
Step by Step Solution
- Step 1: Write the proportion equation
2,899,777,811.84 : 4,351,832,930.56 = 1,964,883,928.96 : x - Step 2: Convert to fraction form
2,899,777,811.84/4,351,832,930.56 = 1,964,883,928.96/x - Step 3: Cross multiply
2,899,777,811.84x = 4,351,832,930.56 × 1,964,883,928.96 - Step 4: Simplify right side
2,899,777,811.84x = 8,550,846,586,776,244,224 - Step 5: Solve for x
x = 8,550,846,586,776,244,224/2,899,777,811.84 - Step 6: Final answer
x = 2,948,793,715.11
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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.