Home / 516,179,032.85-774,269,289.81-394,050,768.50

Finding the Fourth Proportional to 516,179,032.85, 774,269,289.81 and 394,050,768.50

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Solution

The fourth proportional to 516,179,032.85, 774,269,289.81 and 394,050,768.50 is: 591,076,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,179,032.85 : 774,269,289.81 = 394,050,768.50 : x
  2. Step 2: Convert to fraction form
    516,179,032.85/774,269,289.81 = 394,050,768.50/x
  3. Step 3: Cross multiply
    516,179,032.85x = 774,269,289.81 × 394,050,768.50
  4. Step 4: Simplify right side
    516,179,032.85x = 305,101,408,671,708,352
  5. Step 5: Solve for x
    x = 305,101,408,671,708,352/516,179,032.85
  6. Step 6: Final answer
    x = 591,076,718.07

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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.