Finding the Fourth Proportional to 386,653,475.64, 533,593,514.70 and 210,454,212.09
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Solution
The fourth proportional to 386,653,475.64, 533,593,514.70 and 210,454,212.09 is: 290,433,190.93
Step by Step Solution
- Step 1: Write the proportion equation
386,653,475.64 : 533,593,514.70 = 210,454,212.09 : x - Step 2: Convert to fraction form
386,653,475.64/533,593,514.70 = 210,454,212.09/x - Step 3: Cross multiply
386,653,475.64x = 533,593,514.70 × 210,454,212.09 - Step 4: Simplify right side
386,653,475.64x = 112,297,002,712,522,336 - Step 5: Solve for x
x = 112,297,002,712,522,336/386,653,475.64 - Step 6: Final answer
x = 290,433,190.93
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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.