Finding the Fourth Proportional to 8,687,595,506.80, 13,031,393,260.20 and 2,144,493,914.80
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Solution
The fourth proportional to 8,687,595,506.80, 13,031,393,260.20 and 2,144,493,914.80 is: 3,216,740,872.20
Step by Step Solution
- Step 1: Write the proportion equation
8,687,595,506.80 : 13,031,393,260.20 = 2,144,493,914.80 : x - Step 2: Convert to fraction form
8,687,595,506.80/13,031,393,260.20 = 2,144,493,914.80/x - Step 3: Cross multiply
8,687,595,506.80x = 13,031,393,260.20 × 2,144,493,914.80 - Step 4: Simplify right side
8,687,595,506.80x = 27,945,743,547,864,633,344 - Step 5: Solve for x
x = 27,945,743,547,864,633,344/8,687,595,506.80 - Step 6: Final answer
x = 3,216,740,872.20
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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.