Finding the Fourth Proportional to 391,702,324.62, 587,532,224.28 and 119,051,833.98
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Solution
The fourth proportional to 391,702,324.62, 587,532,224.28 and 119,051,833.98 is: 178,571,288.52
Step by Step Solution
- Step 1: Write the proportion equation
391,702,324.62 : 587,532,224.28 = 119,051,833.98 : x - Step 2: Convert to fraction form
391,702,324.62/587,532,224.28 = 119,051,833.98/x - Step 3: Cross multiply
391,702,324.62x = 587,532,224.28 × 119,051,833.98 - Step 4: Simplify right side
391,702,324.62x = 69,946,788,822,882,688 - Step 5: Solve for x
x = 69,946,788,822,882,688/391,702,324.62 - Step 6: Final answer
x = 178,571,288.52
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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.