Home / 789,942,460.09-1,184,765,550.64-396,363,610.48

Finding the Fourth Proportional to 789,942,460.09, 1,184,765,550.64 and 396,363,610.48

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Solution

The fourth proportional to 789,942,460.09, 1,184,765,550.64 and 396,363,610.48 is: 594,471,084.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,942,460.09 : 1,184,765,550.64 = 396,363,610.48 : x
  2. Step 2: Convert to fraction form
    789,942,460.09/1,184,765,550.64 = 396,363,610.48/x
  3. Step 3: Cross multiply
    789,942,460.09x = 1,184,765,550.64 × 396,363,610.48
  4. Step 4: Simplify right side
    789,942,460.09x = 469,597,951,223,995,712
  5. Step 5: Solve for x
    x = 469,597,951,223,995,712/789,942,460.09
  6. Step 6: Final answer
    x = 594,471,084.86

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1.5x scale

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.