Finding the Fourth Proportional to 4,780,496,305.80, 7,170,744,458.70 and 1,674,675,385.65
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Solution
The fourth proportional to 4,780,496,305.80, 7,170,744,458.70 and 1,674,675,385.65 is: 2,512,013,078.48
Step by Step Solution
- Step 1: Write the proportion equation
4,780,496,305.80 : 7,170,744,458.70 = 1,674,675,385.65 : x - Step 2: Convert to fraction form
4,780,496,305.80/7,170,744,458.70 = 1,674,675,385.65/x - Step 3: Cross multiply
4,780,496,305.80x = 7,170,744,458.70 × 1,674,675,385.65 - Step 4: Simplify right side
4,780,496,305.80x = 12,008,669,241,771,024,384 - Step 5: Solve for x
x = 12,008,669,241,771,024,384/4,780,496,305.80 - Step 6: Final answer
x = 2,512,013,078.48
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1.5x scale
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.