Finding the Fourth Proportional to 3,248,375,890.70, 4,872,563,836.05 and 794,712,793.70
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Solution
The fourth proportional to 3,248,375,890.70, 4,872,563,836.05 and 794,712,793.70 is: 1,192,069,190.55
Step by Step Solution
- Step 1: Write the proportion equation
3,248,375,890.70 : 4,872,563,836.05 = 794,712,793.70 : x - Step 2: Convert to fraction form
3,248,375,890.70/4,872,563,836.05 = 794,712,793.70/x - Step 3: Cross multiply
3,248,375,890.70x = 4,872,563,836.05 × 794,712,793.70 - Step 4: Simplify right side
3,248,375,890.70x = 3,872,288,818,628,884,480 - Step 5: Solve for x
x = 3,872,288,818,628,884,480/3,248,375,890.70 - Step 6: Final answer
x = 1,192,069,190.55
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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.