Home / 3,178,947,738.12-4,768,058,373.78-850,066,331.82

Finding the Fourth Proportional to 3,178,947,738.12, 4,768,058,373.78 and 850,066,331.82

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Solution

The fourth proportional to 3,178,947,738.12, 4,768,058,373.78 and 850,066,331.82 is: 1,275,002,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,947,738.12 : 4,768,058,373.78 = 850,066,331.82 : x
  2. Step 2: Convert to fraction form
    3,178,947,738.12/4,768,058,373.78 = 850,066,331.82/x
  3. Step 3: Cross multiply
    3,178,947,738.12x = 4,768,058,373.78 × 850,066,331.82
  4. Step 4: Simplify right side
    3,178,947,738.12x = 4,053,165,891,702,798,848
  5. Step 5: Solve for x
    x = 4,053,165,891,702,798,848/3,178,947,738.12
  6. Step 6: Final answer
    x = 1,275,002,367.32

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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.