Home / 314,836,383.30-472,453,640.55-185,443,743.30

Finding the Fourth Proportional to 314,836,383.30, 472,453,640.55 and 185,443,743.30

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Solution

The fourth proportional to 314,836,383.30, 472,453,640.55 and 185,443,743.30 is: 278,282,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,836,383.30 : 472,453,640.55 = 185,443,743.30 : x
  2. Step 2: Convert to fraction form
    314,836,383.30/472,453,640.55 = 185,443,743.30/x
  3. Step 3: Cross multiply
    314,836,383.30x = 472,453,640.55 × 185,443,743.30
  4. Step 4: Simplify right side
    314,836,383.30x = 87,613,571,639,304,672
  5. Step 5: Solve for x
    x = 87,613,571,639,304,672/314,836,383.30
  6. Step 6: Final answer
    x = 278,282,867.82

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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.