Home / 298,971,904.20-448,457,856.30-274,785,433.80

Finding the Fourth Proportional to 298,971,904.20, 448,457,856.30 and 274,785,433.80

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Solution

The fourth proportional to 298,971,904.20, 448,457,856.30 and 274,785,433.80 is: 412,178,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,904.20 : 448,457,856.30 = 274,785,433.80 : x
  2. Step 2: Convert to fraction form
    298,971,904.20/448,457,856.30 = 274,785,433.80/x
  3. Step 3: Cross multiply
    298,971,904.20x = 448,457,856.30 × 274,785,433.80
  4. Step 4: Simplify right side
    298,971,904.20x = 123,229,686,584,413,568
  5. Step 5: Solve for x
    x = 123,229,686,584,413,568/298,971,904.20
  6. Step 6: Final answer
    x = 412,178,150.70

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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.