Home / 3,220,409,601.60-4,828,913,791.20-1,378,080,801.60

Finding the Fourth Proportional to 3,220,409,601.60, 4,828,913,791.20 and 1,378,080,801.60

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Solution

The fourth proportional to 3,220,409,601.60, 4,828,913,791.20 and 1,378,080,801.60 is: 2,066,393,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,409,601.60 : 4,828,913,791.20 = 1,378,080,801.60 : x
  2. Step 2: Convert to fraction form
    3,220,409,601.60/4,828,913,791.20 = 1,378,080,801.60/x
  3. Step 3: Cross multiply
    3,220,409,601.60x = 4,828,913,791.20 × 1,378,080,801.60
  4. Step 4: Simplify right side
    3,220,409,601.60x = 6,654,633,388,234,189,824
  5. Step 5: Solve for x
    x = 6,654,633,388,234,189,824/3,220,409,601.60
  6. Step 6: Final answer
    x = 2,066,393,475.21

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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.