Home / 481,475,879.56-664,425,472.82-283,250,139.81

Finding the Fourth Proportional to 481,475,879.56, 664,425,472.82 and 283,250,139.81

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Solution

The fourth proportional to 481,475,879.56, 664,425,472.82 and 283,250,139.81 is: 390,878,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,475,879.56 : 664,425,472.82 = 283,250,139.81 : x
  2. Step 2: Convert to fraction form
    481,475,879.56/664,425,472.82 = 283,250,139.81/x
  3. Step 3: Cross multiply
    481,475,879.56x = 664,425,472.82 × 283,250,139.81
  4. Step 4: Simplify right side
    481,475,879.56x = 188,198,608,065,682,496
  5. Step 5: Solve for x
    x = 188,198,608,065,682,496/481,475,879.56
  6. Step 6: Final answer
    x = 390,878,579.91

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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.