Finding the Fourth Proportional to 5,768,689,938.70, 8,653,034,908.05 and 5,381,706,412.30
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Solution
The fourth proportional to 5,768,689,938.70, 8,653,034,908.05 and 5,381,706,412.30 is: 8,072,559,618.45
Step by Step Solution
- Step 1: Write the proportion equation
5,768,689,938.70 : 8,653,034,908.05 = 5,381,706,412.30 : x - Step 2: Convert to fraction form
5,768,689,938.70/8,653,034,908.05 = 5,381,706,412.30/x - Step 3: Cross multiply
5,768,689,938.70x = 8,653,034,908.05 × 5,381,706,412.30 - Step 4: Simplify right side
5,768,689,938.70x = 46,568,093,450,508,427,264 - Step 5: Solve for x
x = 46,568,093,450,508,427,264/5,768,689,938.70 - Step 6: Final answer
x = 8,072,559,618.45
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Similar ratio
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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.