Home / 346,794,922.80-520,192,384.20-278,770,474.80

Finding the Fourth Proportional to 346,794,922.80, 520,192,384.20 and 278,770,474.80

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Solution

The fourth proportional to 346,794,922.80, 520,192,384.20 and 278,770,474.80 is: 418,155,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,794,922.80 : 520,192,384.20 = 278,770,474.80 : x
  2. Step 2: Convert to fraction form
    346,794,922.80/520,192,384.20 = 278,770,474.80/x
  3. Step 3: Cross multiply
    346,794,922.80x = 520,192,384.20 × 278,770,474.80
  4. Step 4: Simplify right side
    346,794,922.80x = 145,014,277,930,778,016
  5. Step 5: Solve for x
    x = 145,014,277,930,778,016/346,794,922.80
  6. Step 6: Final answer
    x = 418,155,712.20

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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.