Finding the Fourth Proportional to 4,312,753,020.70, 6,469,129,531.05 and 4,143,447,727.90
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Solution
The fourth proportional to 4,312,753,020.70, 6,469,129,531.05 and 4,143,447,727.90 is: 6,215,171,591.85
Step by Step Solution
- Step 1: Write the proportion equation
4,312,753,020.70 : 6,469,129,531.05 = 4,143,447,727.90 : x - Step 2: Convert to fraction form
4,312,753,020.70/6,469,129,531.05 = 4,143,447,727.90/x - Step 3: Cross multiply
4,312,753,020.70x = 6,469,129,531.05 × 4,143,447,727.90 - Step 4: Simplify right side
4,312,753,020.70x = 26,804,500,056,919,916,544 - Step 5: Solve for x
x = 26,804,500,056,919,916,544/4,312,753,020.70 - Step 6: Final answer
x = 6,215,171,591.85
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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.