Finding the Fourth Proportional to 288,024,919.82, 397,474,377.12 and 155,865,920.44
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Solution
The fourth proportional to 288,024,919.82, 397,474,377.12 and 155,865,920.44 is: 215,094,963.59
Step by Step Solution
- Step 1: Write the proportion equation
288,024,919.82 : 397,474,377.12 = 155,865,920.44 : x - Step 2: Convert to fraction form
288,024,919.82/397,474,377.12 = 155,865,920.44/x - Step 3: Cross multiply
288,024,919.82x = 397,474,377.12 × 155,865,920.44 - Step 4: Simplify right side
288,024,919.82x = 61,952,709,641,124,480 - Step 5: Solve for x
x = 61,952,709,641,124,480/288,024,919.82 - Step 6: Final answer
x = 215,094,963.59
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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.