Finding the Fourth Proportional to 2,205,662,708.70, 3,308,494,063.05 and 2,190,357,207.90
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Solution
The fourth proportional to 2,205,662,708.70, 3,308,494,063.05 and 2,190,357,207.90 is: 3,285,535,811.85
Step by Step Solution
- Step 1: Write the proportion equation
2,205,662,708.70 : 3,308,494,063.05 = 2,190,357,207.90 : x - Step 2: Convert to fraction form
2,205,662,708.70/3,308,494,063.05 = 2,190,357,207.90/x - Step 3: Cross multiply
2,205,662,708.70x = 3,308,494,063.05 × 2,190,357,207.90 - Step 4: Simplify right side
2,205,662,708.70x = 7,246,783,818,295,925,760 - Step 5: Solve for x
x = 7,246,783,818,295,925,760/2,205,662,708.70 - Step 6: Final answer
x = 3,285,535,811.85
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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.