Finding the Fourth Proportional to 274,198,026.84, 378,293,980.98 and 180,162,789.58
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Solution
The fourth proportional to 274,198,026.84, 378,293,980.98 and 180,162,789.58 is: 248,559,406.79
Step by Step Solution
- Step 1: Write the proportion equation
274,198,026.84 : 378,293,980.98 = 180,162,789.58 : x - Step 2: Convert to fraction form
274,198,026.84/378,293,980.98 = 180,162,789.58/x - Step 3: Cross multiply
274,198,026.84x = 378,293,980.98 × 180,162,789.58 - Step 4: Simplify right side
274,198,026.84x = 68,154,498,894,680,272 - Step 5: Solve for x
x = 68,154,498,894,680,272/274,198,026.84 - Step 6: Final answer
x = 248,559,406.79
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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.