Home / 352,351,129.34-486,134,859.23-203,618,065.28

Finding the Fourth Proportional to 352,351,129.34, 486,134,859.23 and 203,618,065.28

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Solution

The fourth proportional to 352,351,129.34, 486,134,859.23 and 203,618,065.28 is: 280,929,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,351,129.34 : 486,134,859.23 = 203,618,065.28 : x
  2. Step 2: Convert to fraction form
    352,351,129.34/486,134,859.23 = 203,618,065.28/x
  3. Step 3: Cross multiply
    352,351,129.34x = 486,134,859.23 × 203,618,065.28
  4. Step 4: Simplify right side
    352,351,129.34x = 98,985,839,498,892,560
  5. Step 5: Solve for x
    x = 98,985,839,498,892,560/352,351,129.34
  6. Step 6: Final answer
    x = 280,929,536.63

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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.