Home / 349,508,809.71-482,332,383-190,749,115.38

Finding the Fourth Proportional to 349,508,809.71, 482,332,383 and 190,749,115.38

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Solution

The fourth proportional to 349,508,809.71, 482,332,383 and 190,749,115.38 is: 263,239,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,508,809.71 : 482,332,383 = 190,749,115.38 : x
  2. Step 2: Convert to fraction form
    349,508,809.71/482,332,383 = 190,749,115.38/x
  3. Step 3: Cross multiply
    349,508,809.71x = 482,332,383 × 190,749,115.38
  4. Step 4: Simplify right side
    349,508,809.71x = 92,004,475,376,377,344
  5. Step 5: Solve for x
    x = 92,004,475,376,377,344/349,508,809.71
  6. Step 6: Final answer
    x = 263,239,359.98

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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.