Finding the Fourth Proportional to 331,994,712.90, 497,992,069.35 and 217,332,927.30
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Solution
The fourth proportional to 331,994,712.90, 497,992,069.35 and 217,332,927.30 is: 325,999,390.95
Step by Step Solution
- Step 1: Write the proportion equation
331,994,712.90 : 497,992,069.35 = 217,332,927.30 : x - Step 2: Convert to fraction form
331,994,712.90/497,992,069.35 = 217,332,927.30/x - Step 3: Cross multiply
331,994,712.90x = 497,992,069.35 × 217,332,927.30 - Step 4: Simplify right side
331,994,712.90x = 108,230,074,204,020,112 - Step 5: Solve for x
x = 108,230,074,204,020,112/331,994,712.90 - Step 6: Final answer
x = 325,999,390.95
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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.