Finding the Fourth Proportional to 325,899,785.80, 449,753,530.50 and 186,697,451.08
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Solution
The fourth proportional to 325,899,785.80, 449,753,530.50 and 186,697,451.08 is: 257,649,257.28
Step by Step Solution
- Step 1: Write the proportion equation
325,899,785.80 : 449,753,530.50 = 186,697,451.08 : x - Step 2: Convert to fraction form
325,899,785.80/449,753,530.50 = 186,697,451.08/x - Step 3: Cross multiply
325,899,785.80x = 449,753,530.50 × 186,697,451.08 - Step 4: Simplify right side
325,899,785.80x = 83,967,837,758,581,040 - Step 5: Solve for x
x = 83,967,837,758,581,040/325,899,785.80 - Step 6: Final answer
x = 257,649,257.28
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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.