Home / 674,220,962.40-1,011,520,400.40-329,185,845.60

Finding the Fourth Proportional to 674,220,962.40, 1,011,520,400.40 and 329,185,845.60

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Solution

The fourth proportional to 674,220,962.40, 1,011,520,400.40 and 329,185,845.60 is: 493,871,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,220,962.40 : 1,011,520,400.40 = 329,185,845.60 : x
  2. Step 2: Convert to fraction form
    674,220,962.40/1,011,520,400.40 = 329,185,845.60/x
  3. Step 3: Cross multiply
    674,220,962.40x = 1,011,520,400.40 × 329,185,845.60
  4. Step 4: Simplify right side
    674,220,962.40x = 332,978,198,347,324,608
  5. Step 5: Solve for x
    x = 332,978,198,347,324,608/674,220,962.40
  6. Step 6: Final answer
    x = 493,871,025.85

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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.