Home / 377,059,732.21-520,334,274.72-218,296,550.35

Finding the Fourth Proportional to 377,059,732.21, 520,334,274.72 and 218,296,550.35

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Solution

The fourth proportional to 377,059,732.21, 520,334,274.72 and 218,296,550.35 is: 301,244,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,059,732.21 : 520,334,274.72 = 218,296,550.35 : x
  2. Step 2: Convert to fraction form
    377,059,732.21/520,334,274.72 = 218,296,550.35/x
  3. Step 3: Cross multiply
    377,059,732.21x = 520,334,274.72 × 218,296,550.35
  4. Step 4: Simplify right side
    377,059,732.21x = 113,587,177,200,245,216
  5. Step 5: Solve for x
    x = 113,587,177,200,245,216/377,059,732.21
  6. Step 6: Final answer
    x = 301,244,517.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.