Home / 483,623,999.80-725,435,999.70-120,118,355.80

Finding the Fourth Proportional to 483,623,999.80, 725,435,999.70 and 120,118,355.80

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Solution

The fourth proportional to 483,623,999.80, 725,435,999.70 and 120,118,355.80 is: 180,177,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,623,999.80 : 725,435,999.70 = 120,118,355.80 : x
  2. Step 2: Convert to fraction form
    483,623,999.80/725,435,999.70 = 120,118,355.80/x
  3. Step 3: Cross multiply
    483,623,999.80x = 725,435,999.70 × 120,118,355.80
  4. Step 4: Simplify right side
    483,623,999.80x = 87,138,179,522,093,296
  5. Step 5: Solve for x
    x = 87,138,179,522,093,296/483,623,999.80
  6. Step 6: Final answer
    x = 180,177,533.70

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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.