Home / 288,940,512.30-433,410,768.45-166,496,505.90

Finding the Fourth Proportional to 288,940,512.30, 433,410,768.45 and 166,496,505.90

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Solution

The fourth proportional to 288,940,512.30, 433,410,768.45 and 166,496,505.90 is: 249,744,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,940,512.30 : 433,410,768.45 = 166,496,505.90 : x
  2. Step 2: Convert to fraction form
    288,940,512.30/433,410,768.45 = 166,496,505.90/x
  3. Step 3: Cross multiply
    288,940,512.30x = 433,410,768.45 × 166,496,505.90
  4. Step 4: Simplify right side
    288,940,512.30x = 72,161,378,566,358,960
  5. Step 5: Solve for x
    x = 72,161,378,566,358,960/288,940,512.30
  6. Step 6: Final answer
    x = 249,744,758.85

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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.