Finding the Fourth Proportional to 479,178,508.50, 718,847,183.66 and 168,205,437.99
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Solution
The fourth proportional to 479,178,508.50, 718,847,183.66 and 168,205,437.99 is: 252,336,036.01
Step by Step Solution
- Step 1: Write the proportion equation
479,178,508.50 : 718,847,183.66 = 168,205,437.99 : x - Step 2: Convert to fraction form
479,178,508.50/718,847,183.66 = 168,205,437.99/x - Step 3: Cross multiply
479,178,508.50x = 718,847,183.66 × 168,205,437.99 - Step 4: Simplify right side
479,178,508.50x = 120,914,005,374,567,248 - Step 5: Solve for x
x = 120,914,005,374,567,248/479,178,508.50 - Step 6: Final answer
x = 252,336,036.01
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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.