Home / 265,734,320.80-398,601,481.20-228,746,027.20

Finding the Fourth Proportional to 265,734,320.80, 398,601,481.20 and 228,746,027.20

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Solution

The fourth proportional to 265,734,320.80, 398,601,481.20 and 228,746,027.20 is: 343,119,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,734,320.80 : 398,601,481.20 = 228,746,027.20 : x
  2. Step 2: Convert to fraction form
    265,734,320.80/398,601,481.20 = 228,746,027.20/x
  3. Step 3: Cross multiply
    265,734,320.80x = 398,601,481.20 × 228,746,027.20
  4. Step 4: Simplify right side
    265,734,320.80x = 91,178,505,260,535,488
  5. Step 5: Solve for x
    x = 91,178,505,260,535,488/265,734,320.80
  6. Step 6: Final answer
    x = 343,119,040.80

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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.