Home / 368,200,578.06-508,116,663.54-200,936,839.86

Finding the Fourth Proportional to 368,200,578.06, 508,116,663.54 and 200,936,839.86

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Solution

The fourth proportional to 368,200,578.06, 508,116,663.54 and 200,936,839.86 is: 277,292,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,200,578.06 : 508,116,663.54 = 200,936,839.86 : x
  2. Step 2: Convert to fraction form
    368,200,578.06/508,116,663.54 = 200,936,839.86/x
  3. Step 3: Cross multiply
    368,200,578.06x = 508,116,663.54 × 200,936,839.86
  4. Step 4: Simplify right side
    368,200,578.06x = 102,099,356,651,934,496
  5. Step 5: Solve for x
    x = 102,099,356,651,934,496/368,200,578.06
  6. Step 6: Final answer
    x = 277,292,765.78

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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.