Finding the Fourth Proportional to 325,887,815.76, 449,733,708.98 and 177,217,631.79
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Solution
The fourth proportional to 325,887,815.76, 449,733,708.98 and 177,217,631.79 is: 244,564,966.80
Step by Step Solution
- Step 1: Write the proportion equation
325,887,815.76 : 449,733,708.98 = 177,217,631.79 : x - Step 2: Convert to fraction form
325,887,815.76/449,733,708.98 = 177,217,631.79/x - Step 3: Cross multiply
325,887,815.76x = 449,733,708.98 × 177,217,631.79 - Step 4: Simplify right side
325,887,815.76x = 79,700,742,841,568,656 - Step 5: Solve for x
x = 79,700,742,841,568,656/325,887,815.76 - Step 6: Final answer
x = 244,564,966.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.