Finding the Fourth Proportional to 1,458,245,086.29, 2,187,183,124.99 and 462,275,715.88
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Solution
The fourth proportional to 1,458,245,086.29, 2,187,183,124.99 and 462,275,715.88 is: 693,355,084.39
Step by Step Solution
- Step 1: Write the proportion equation
1,458,245,086.29 : 2,187,183,124.99 = 462,275,715.88 : x - Step 2: Convert to fraction form
1,458,245,086.29/2,187,183,124.99 = 462,275,715.88/x - Step 3: Cross multiply
1,458,245,086.29x = 2,187,183,124.99 × 462,275,715.88 - Step 4: Simplify right side
1,458,245,086.29x = 1,011,081,644,865,407,616 - Step 5: Solve for x
x = 1,011,081,644,865,407,616/1,458,245,086.29 - Step 6: Final answer
x = 693,355,084.39
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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.