Finding the Fourth Proportional to 3,806,591,311.04, 5,253,111,125.70 and 2,135,731,359.20
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Solution
The fourth proportional to 3,806,591,311.04, 5,253,111,125.70 and 2,135,731,359.20 is: 2,947,317,756.96
Step by Step Solution
- Step 1: Write the proportion equation
3,806,591,311.04 : 5,253,111,125.70 = 2,135,731,359.20 : x - Step 2: Convert to fraction form
3,806,591,311.04/5,253,111,125.70 = 2,135,731,359.20/x - Step 3: Cross multiply
3,806,591,311.04x = 5,253,111,125.70 × 2,135,731,359.20 - Step 4: Simplify right side
3,806,591,311.04x = 11,219,234,164,519,903,232 - Step 5: Solve for x
x = 11,219,234,164,519,903,232/3,806,591,311.04 - Step 6: Final answer
x = 2,947,317,756.96
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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.