Home / 483,970,003.60-725,955,005.40-398,939,443.60

Finding the Fourth Proportional to 483,970,003.60, 725,955,005.40 and 398,939,443.60

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Solution

The fourth proportional to 483,970,003.60, 725,955,005.40 and 398,939,443.60 is: 598,409,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,970,003.60 : 725,955,005.40 = 398,939,443.60 : x
  2. Step 2: Convert to fraction form
    483,970,003.60/725,955,005.40 = 398,939,443.60/x
  3. Step 3: Cross multiply
    483,970,003.60x = 725,955,005.40 × 398,939,443.60
  4. Step 4: Simplify right side
    483,970,003.60x = 289,612,085,932,910,976
  5. Step 5: Solve for x
    x = 289,612,085,932,910,976/483,970,003.60
  6. Step 6: Final answer
    x = 598,409,165.40

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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.