Finding the Fourth Proportional to 1,663,330,226.94, 2,493,515,178.81 and 789,392,429.82
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Solution
The fourth proportional to 1,663,330,226.94, 2,493,515,178.81 and 789,392,429.82 is: 1,183,386,181.48
Step by Step Solution
- Step 1: Write the proportion equation
1,663,330,226.94 : 2,493,515,178.81 = 789,392,429.82 : x - Step 2: Convert to fraction form
1,663,330,226.94/2,493,515,178.81 = 789,392,429.82/x - Step 3: Cross multiply
1,663,330,226.94x = 2,493,515,178.81 × 789,392,429.82 - Step 4: Simplify right side
1,663,330,226.94x = 1,968,362,005,793,877,760 - Step 5: Solve for x
x = 1,968,362,005,793,877,760/1,663,330,226.94 - Step 6: Final answer
x = 1,183,386,181.48
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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.