Finding the Fourth Proportional to 288,840,117.63, 433,244,228.67 and 211,196,587.53
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Solution
The fourth proportional to 288,840,117.63, 433,244,228.67 and 211,196,587.53 is: 316,783,220.46
Step by Step Solution
- Step 1: Write the proportion equation
288,840,117.63 : 433,244,228.67 = 211,196,587.53 : x - Step 2: Convert to fraction form
288,840,117.63/433,244,228.67 = 211,196,587.53/x - Step 3: Cross multiply
288,840,117.63x = 433,244,228.67 × 211,196,587.53 - Step 4: Simplify right side
288,840,117.63x = 91,499,702,662,170,992 - Step 5: Solve for x
x = 91,499,702,662,170,992/288,840,117.63 - Step 6: Final answer
x = 316,783,220.46
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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.