Home / 324,774,997.60-487,162,496.40-221,462,867.20

Finding the Fourth Proportional to 324,774,997.60, 487,162,496.40 and 221,462,867.20

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Solution

The fourth proportional to 324,774,997.60, 487,162,496.40 and 221,462,867.20 is: 332,194,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,774,997.60 : 487,162,496.40 = 221,462,867.20 : x
  2. Step 2: Convert to fraction form
    324,774,997.60/487,162,496.40 = 221,462,867.20/x
  3. Step 3: Cross multiply
    324,774,997.60x = 487,162,496.40 × 221,462,867.20
  4. Step 4: Simplify right side
    324,774,997.60x = 107,888,403,245,053,664
  5. Step 5: Solve for x
    x = 107,888,403,245,053,664/324,774,997.60
  6. Step 6: Final answer
    x = 332,194,300.80

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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.