Home / 516,179,032.35-774,269,289.06-394,050,768

Finding the Fourth Proportional to 516,179,032.35, 774,269,289.06 and 394,050,768

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Solution

The fourth proportional to 516,179,032.35, 774,269,289.06 and 394,050,768 is: 591,076,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,179,032.35 : 774,269,289.06 = 394,050,768 : x
  2. Step 2: Convert to fraction form
    516,179,032.35/774,269,289.06 = 394,050,768/x
  3. Step 3: Cross multiply
    516,179,032.35x = 774,269,289.06 × 394,050,768
  4. Step 4: Simplify right side
    516,179,032.35x = 305,101,407,992,906,944
  5. Step 5: Solve for x
    x = 305,101,407,992,906,944/516,179,032.35
  6. Step 6: Final answer
    x = 591,076,717.32

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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.