Home / 322,571,211.40-483,856,817.10-289,314,814.60

Finding the Fourth Proportional to 322,571,211.40, 483,856,817.10 and 289,314,814.60

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Solution

The fourth proportional to 322,571,211.40, 483,856,817.10 and 289,314,814.60 is: 433,972,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,571,211.40 : 483,856,817.10 = 289,314,814.60 : x
  2. Step 2: Convert to fraction form
    322,571,211.40/483,856,817.10 = 289,314,814.60/x
  3. Step 3: Cross multiply
    322,571,211.40x = 483,856,817.10 × 289,314,814.60
  4. Step 4: Simplify right side
    322,571,211.40x = 139,986,945,332,232,624
  5. Step 5: Solve for x
    x = 139,986,945,332,232,624/322,571,211.40
  6. Step 6: Final answer
    x = 433,972,221.90

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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.