Finding the Fourth Proportional to 558,957,772.98, 771,364,888.92 and 324,147,849.84
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Solution
The fourth proportional to 558,957,772.98, 771,364,888.92 and 324,147,849.84 is: 447,325,866.59
Step by Step Solution
- Step 1: Write the proportion equation
558,957,772.98 : 771,364,888.92 = 324,147,849.84 : x - Step 2: Convert to fraction form
558,957,772.98/771,364,888.92 = 324,147,849.84/x - Step 3: Cross multiply
558,957,772.98x = 771,364,888.92 × 324,147,849.84 - Step 4: Simplify right side
558,957,772.98x = 250,036,270,185,488,416 - Step 5: Solve for x
x = 250,036,270,185,488,416/558,957,772.98 - Step 6: Final answer
x = 447,325,866.59
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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.