Home / 483,869,986.60-725,804,979.90-120,364,342.60

Finding the Fourth Proportional to 483,869,986.60, 725,804,979.90 and 120,364,342.60

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Solution

The fourth proportional to 483,869,986.60, 725,804,979.90 and 120,364,342.60 is: 180,546,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,869,986.60 : 725,804,979.90 = 120,364,342.60 : x
  2. Step 2: Convert to fraction form
    483,869,986.60/725,804,979.90 = 120,364,342.60/x
  3. Step 3: Cross multiply
    483,869,986.60x = 725,804,979.90 × 120,364,342.60
  4. Step 4: Simplify right side
    483,869,986.60x = 87,361,039,261,469,712
  5. Step 5: Solve for x
    x = 87,361,039,261,469,712/483,869,986.60
  6. Step 6: Final answer
    x = 180,546,513.90

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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.