Home / 398,606,446.80-597,909,670.20-333,983,221.20

Finding the Fourth Proportional to 398,606,446.80, 597,909,670.20 and 333,983,221.20

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Solution

The fourth proportional to 398,606,446.80, 597,909,670.20 and 333,983,221.20 is: 500,974,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,606,446.80 : 597,909,670.20 = 333,983,221.20 : x
  2. Step 2: Convert to fraction form
    398,606,446.80/597,909,670.20 = 333,983,221.20/x
  3. Step 3: Cross multiply
    398,606,446.80x = 597,909,670.20 × 333,983,221.20
  4. Step 4: Simplify right side
    398,606,446.80x = 199,691,797,640,025,664
  5. Step 5: Solve for x
    x = 199,691,797,640,025,664/398,606,446.80
  6. Step 6: Final answer
    x = 500,974,831.80

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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.