Finding the Fourth Proportional to 576,193,074.88, 795,146,482.20 and 315,432,690.88
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Solution
The fourth proportional to 576,193,074.88, 795,146,482.20 and 315,432,690.88 is: 435,297,134.69
Step by Step Solution
- Step 1: Write the proportion equation
576,193,074.88 : 795,146,482.20 = 315,432,690.88 : x - Step 2: Convert to fraction form
576,193,074.88/795,146,482.20 = 315,432,690.88/x - Step 3: Cross multiply
576,193,074.88x = 795,146,482.20 × 315,432,690.88 - Step 4: Simplify right side
576,193,074.88x = 250,815,194,524,112,032 - Step 5: Solve for x
x = 250,815,194,524,112,032/576,193,074.88 - Step 6: Final answer
x = 435,297,134.69
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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.