Home / 539,786,041.43-809,977,831.60-263,439,544.73

Finding the Fourth Proportional to 539,786,041.43, 809,977,831.60 and 263,439,544.73

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Solution

The fourth proportional to 539,786,041.43, 809,977,831.60 and 263,439,544.73 is: 395,305,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,786,041.43 : 809,977,831.60 = 263,439,544.73 : x
  2. Step 2: Convert to fraction form
    539,786,041.43/809,977,831.60 = 263,439,544.73/x
  3. Step 3: Cross multiply
    539,786,041.43x = 809,977,831.60 × 263,439,544.73
  4. Step 4: Simplify right side
    539,786,041.43x = 213,380,191,193,388,096
  5. Step 5: Solve for x
    x = 213,380,191,193,388,096/539,786,041.43
  6. Step 6: Final answer
    x = 395,305,129.84

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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.