Finding the Fourth Proportional to 2,353,432,818.80, 3,247,496,951.64 and 1,449,045,138.80
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Solution
The fourth proportional to 2,353,432,818.80, 3,247,496,951.64 and 1,449,045,138.80 is: 1,999,534,311.52
Step by Step Solution
- Step 1: Write the proportion equation
2,353,432,818.80 : 3,247,496,951.64 = 1,449,045,138.80 : x - Step 2: Convert to fraction form
2,353,432,818.80/3,247,496,951.64 = 1,449,045,138.80/x - Step 3: Cross multiply
2,353,432,818.80x = 3,247,496,951.64 × 1,449,045,138.80 - Step 4: Simplify right side
2,353,432,818.80x = 4,705,769,671,041,760,256 - Step 5: Solve for x
x = 4,705,769,671,041,760,256/2,353,432,818.80 - Step 6: Final answer
x = 1,999,534,311.52
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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.