Home / 313,521,495.54-432,258,026.43-256,797,272.73

Finding the Fourth Proportional to 313,521,495.54, 432,258,026.43 and 256,797,272.73

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Solution

The fourth proportional to 313,521,495.54, 432,258,026.43 and 256,797,272.73 is: 354,051,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,521,495.54 : 432,258,026.43 = 256,797,272.73 : x
  2. Step 2: Convert to fraction form
    313,521,495.54/432,258,026.43 = 256,797,272.73/x
  3. Step 3: Cross multiply
    313,521,495.54x = 432,258,026.43 × 256,797,272.73
  4. Step 4: Simplify right side
    313,521,495.54x = 111,002,682,301,255,296
  5. Step 5: Solve for x
    x = 111,002,682,301,255,296/313,521,495.54
  6. Step 6: Final answer
    x = 354,051,265.64

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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.