Home / 2,099,524,446.45-2,897,431,758-1,207,451,869.45

Finding the Fourth Proportional to 2,099,524,446.45, 2,897,431,758 and 1,207,451,869.45

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Solution

The fourth proportional to 2,099,524,446.45, 2,897,431,758 and 1,207,451,869.45 is: 1,666,334,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,524,446.45 : 2,897,431,758 = 1,207,451,869.45 : x
  2. Step 2: Convert to fraction form
    2,099,524,446.45/2,897,431,758 = 1,207,451,869.45/x
  3. Step 3: Cross multiply
    2,099,524,446.45x = 2,897,431,758 × 1,207,451,869.45
  4. Step 4: Simplify right side
    2,099,524,446.45x = 3,498,509,392,800,900,096
  5. Step 5: Solve for x
    x = 3,498,509,392,800,900,096/2,099,524,446.45
  6. Step 6: Final answer
    x = 1,666,334,201.88

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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.