Finding the Fourth Proportional to 397,290,198.80, 595,960,488.12 and 124,671,725.84
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Solution
The fourth proportional to 397,290,198.80, 595,960,488.12 and 124,671,725.84 is: 187,015,493.49
Step by Step Solution
- Step 1: Write the proportion equation
397,290,198.80 : 595,960,488.12 = 124,671,725.84 : x - Step 2: Convert to fraction form
397,290,198.80/595,960,488.12 = 124,671,725.84/x - Step 3: Cross multiply
397,290,198.80x = 595,960,488.12 × 124,671,725.84 - Step 4: Simplify right side
397,290,198.80x = 74,299,422,586,369,216 - Step 5: Solve for x
x = 74,299,422,586,369,216/397,290,198.80 - Step 6: Final answer
x = 187,015,493.49
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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.