Finding the Fourth Proportional to 568,453,074.58, 784,421,460.93 and 320,958,857.62
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Solution
The fourth proportional to 568,453,074.58, 784,421,460.93 and 320,958,857.62 is: 442,898,503.41
Step by Step Solution
- Step 1: Write the proportion equation
568,453,074.58 : 784,421,460.93 = 320,958,857.62 : x - Step 2: Convert to fraction form
568,453,074.58/784,421,460.93 = 320,958,857.62/x - Step 3: Cross multiply
568,453,074.58x = 784,421,460.93 × 320,958,857.62 - Step 4: Simplify right side
568,453,074.58x = 251,767,015,992,704,256 - Step 5: Solve for x
x = 251,767,015,992,704,256/568,453,074.58 - Step 6: Final answer
x = 442,898,503.41
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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.