Finding the Fourth Proportional to 1,906,218,183.80, 2,857,689,661.03 and 662,487,057.74
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Solution
The fourth proportional to 1,906,218,183.80, 2,857,689,661.03 and 662,487,057.74 is: 993,161,450.02
Step by Step Solution
- Step 1: Write the proportion equation
1,906,218,183.80 : 2,857,689,661.03 = 662,487,057.74 : x - Step 2: Convert to fraction form
1,906,218,183.80/2,857,689,661.03 = 662,487,057.74/x - Step 3: Cross multiply
1,906,218,183.80x = 2,857,689,661.03 × 662,487,057.74 - Step 4: Simplify right side
1,906,218,183.80x = 1,893,182,415,469,782,784 - Step 5: Solve for x
x = 1,893,182,415,469,782,784/1,906,218,183.80 - Step 6: Final answer
x = 993,161,450.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.