Finding the Fourth Proportional to 3,580,447,206.07, 4,940,794,514.90 and 1,972,812,236.10
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Solution
The fourth proportional to 3,580,447,206.07, 4,940,794,514.90 and 1,972,812,236.10 is: 2,722,358,217.86
Step by Step Solution
- Step 1: Write the proportion equation
3,580,447,206.07 : 4,940,794,514.90 = 1,972,812,236.10 : x - Step 2: Convert to fraction form
3,580,447,206.07/4,940,794,514.90 = 1,972,812,236.10/x - Step 3: Cross multiply
3,580,447,206.07x = 4,940,794,514.90 × 1,972,812,236.10 - Step 4: Simplify right side
3,580,447,206.07x = 9,747,259,875,053,260,800 - Step 5: Solve for x
x = 9,747,259,875,053,260,800/3,580,447,206.07 - Step 6: Final answer
x = 2,722,358,217.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.