Finding the Fourth Proportional to 563,134,336.44, 777,205,464.84 and 312,294,514.92
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Solution
The fourth proportional to 563,134,336.44, 777,205,464.84 and 312,294,514.92 is: 431,010,840.45
Step by Step Solution
- Step 1: Write the proportion equation
563,134,336.44 : 777,205,464.84 = 312,294,514.92 : x - Step 2: Convert to fraction form
563,134,336.44/777,205,464.84 = 312,294,514.92/x - Step 3: Cross multiply
563,134,336.44x = 777,205,464.84 × 312,294,514.92 - Step 4: Simplify right side
563,134,336.44x = 242,717,003,635,380,928 - Step 5: Solve for x
x = 242,717,003,635,380,928/563,134,336.44 - Step 6: Final answer
x = 431,010,840.45
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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.