Finding the Fourth Proportional to 288,738,086.70, 433,107,130.05 and 224,240,832.30
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Solution
The fourth proportional to 288,738,086.70, 433,107,130.05 and 224,240,832.30 is: 336,361,248.45
Step by Step Solution
- Step 1: Write the proportion equation
288,738,086.70 : 433,107,130.05 = 224,240,832.30 : x - Step 2: Convert to fraction form
288,738,086.70/433,107,130.05 = 224,240,832.30/x - Step 3: Cross multiply
288,738,086.70x = 433,107,130.05 × 224,240,832.30 - Step 4: Simplify right side
288,738,086.70x = 97,120,303,317,476,352 - Step 5: Solve for x
x = 97,120,303,317,476,352/288,738,086.70 - Step 6: Final answer
x = 336,361,248.45
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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.