Home / 379,768,108.38-569,648,962.52-296,839,615.38

Finding the Fourth Proportional to 379,768,108.38, 569,648,962.52 and 296,839,615.38

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Solution

The fourth proportional to 379,768,108.38, 569,648,962.52 and 296,839,615.38 is: 445,256,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,768,108.38 : 569,648,962.52 = 296,839,615.38 : x
  2. Step 2: Convert to fraction form
    379,768,108.38/569,648,962.52 = 296,839,615.38/x
  3. Step 3: Cross multiply
    379,768,108.38x = 569,648,962.52 × 296,839,615.38
  4. Step 4: Simplify right side
    379,768,108.38x = 169,094,378,934,568,640
  5. Step 5: Solve for x
    x = 169,094,378,934,568,640/379,768,108.38
  6. Step 6: Final answer
    x = 445,256,921.80

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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.