Home / 824,402,022.70-1,236,603,034.05-279,143,556.70

Finding the Fourth Proportional to 824,402,022.70, 1,236,603,034.05 and 279,143,556.70

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Solution

The fourth proportional to 824,402,022.70, 1,236,603,034.05 and 279,143,556.70 is: 418,715,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,402,022.70 : 1,236,603,034.05 = 279,143,556.70 : x
  2. Step 2: Convert to fraction form
    824,402,022.70/1,236,603,034.05 = 279,143,556.70/x
  3. Step 3: Cross multiply
    824,402,022.70x = 1,236,603,034.05 × 279,143,556.70
  4. Step 4: Simplify right side
    824,402,022.70x = 345,189,769,150,728,192
  5. Step 5: Solve for x
    x = 345,189,769,150,728,192/824,402,022.70
  6. Step 6: Final answer
    x = 418,715,335.05

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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.