Finding the Fourth Proportional to 4,015,806,273.45, 5,535,971,971.92 and 2,806,392,672.99
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Solution
The fourth proportional to 4,015,806,273.45, 5,535,971,971.92 and 2,806,392,672.99 is: 3,868,740,203.58
Step by Step Solution
- Step 1: Write the proportion equation
4,015,806,273.45 : 5,535,971,971.92 = 2,806,392,672.99 : x - Step 2: Convert to fraction form
4,015,806,273.45/5,535,971,971.92 = 2,806,392,672.99/x - Step 3: Cross multiply
4,015,806,273.45x = 5,535,971,971.92 × 2,806,392,672.99 - Step 4: Simplify right side
4,015,806,273.45x = 15,536,111,179,874,289,664 - Step 5: Solve for x
x = 15,536,111,179,874,289,664/4,015,806,273.45 - Step 6: Final answer
x = 3,868,740,203.58
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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.