Finding the Fourth Proportional to 7,188,352,168.05, 10,783,070,397.86 and 2,145,810,501.45
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Solution
The fourth proportional to 7,188,352,168.05, 10,783,070,397.86 and 2,145,810,501.45 is: 3,218,877,589.28
Step by Step Solution
- Step 1: Write the proportion equation
7,188,352,168.05 : 10,783,070,397.86 = 2,145,810,501.45 : x - Step 2: Convert to fraction form
7,188,352,168.05/10,783,070,397.86 = 2,145,810,501.45/x - Step 3: Cross multiply
7,188,352,168.05x = 10,783,070,397.86 × 2,145,810,501.45 - Step 4: Simplify right side
7,188,352,168.05x = 23,138,425,697,591,889,920 - Step 5: Solve for x
x = 23,138,425,697,591,889,920/7,188,352,168.05 - Step 6: Final answer
x = 3,218,877,589.28
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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.