Finding the Fourth Proportional to 288,840,118.63, 433,244,230.17 and 211,196,588.53
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Solution
The fourth proportional to 288,840,118.63, 433,244,230.17 and 211,196,588.53 is: 316,783,221.96
Step by Step Solution
- Step 1: Write the proportion equation
288,840,118.63 : 433,244,230.17 = 211,196,588.53 : x - Step 2: Convert to fraction form
288,840,118.63/433,244,230.17 = 211,196,588.53/x - Step 3: Cross multiply
288,840,118.63x = 433,244,230.17 × 211,196,588.53 - Step 4: Simplify right side
288,840,118.63x = 91,499,703,412,210,112 - Step 5: Solve for x
x = 91,499,703,412,210,112/288,840,118.63 - Step 6: Final answer
x = 316,783,221.96
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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.