Finding the Fourth Proportional to 1,236,694,438.44, 1,855,040,476.70 and 316,569,300.84
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Solution
The fourth proportional to 1,236,694,438.44, 1,855,040,476.70 and 316,569,300.84 is: 474,853,648.96
Step by Step Solution
- Step 1: Write the proportion equation
1,236,694,438.44 : 1,855,040,476.70 = 316,569,300.84 : x - Step 2: Convert to fraction form
1,236,694,438.44/1,855,040,476.70 = 316,569,300.84/x - Step 3: Cross multiply
1,236,694,438.44x = 1,855,040,476.70 × 316,569,300.84 - Step 4: Simplify right side
1,236,694,438.44x = 587,248,866,738,819,328 - Step 5: Solve for x
x = 587,248,866,738,819,328/1,236,694,438.44 - Step 6: Final answer
x = 474,853,648.96
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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.