Finding the Fourth Proportional to 3,079,846,404.65, 4,619,719,122.63 and 981,294,304.77
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Solution
The fourth proportional to 3,079,846,404.65, 4,619,719,122.63 and 981,294,304.77 is: 1,471,925,371.94
Step by Step Solution
- Step 1: Write the proportion equation
3,079,846,404.65 : 4,619,719,122.63 = 981,294,304.77 : x - Step 2: Convert to fraction form
3,079,846,404.65/4,619,719,122.63 = 981,294,304.77/x - Step 3: Cross multiply
3,079,846,404.65x = 4,619,719,122.63 × 981,294,304.77 - Step 4: Simplify right side
3,079,846,404.65x = 4,533,304,064,673,880,064 - Step 5: Solve for x
x = 4,533,304,064,673,880,064/3,079,846,404.65 - Step 6: Final answer
x = 1,471,925,371.94
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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.