Home / 839,814,922.20-1,259,722,383.30-494,590,848.60

Finding the Fourth Proportional to 839,814,922.20, 1,259,722,383.30 and 494,590,848.60

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Solution

The fourth proportional to 839,814,922.20, 1,259,722,383.30 and 494,590,848.60 is: 741,886,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,814,922.20 : 1,259,722,383.30 = 494,590,848.60 : x
  2. Step 2: Convert to fraction form
    839,814,922.20/1,259,722,383.30 = 494,590,848.60/x
  3. Step 3: Cross multiply
    839,814,922.20x = 1,259,722,383.30 × 494,590,848.60
  4. Step 4: Simplify right side
    839,814,922.20x = 623,047,162,556,761,472
  5. Step 5: Solve for x
    x = 623,047,162,556,761,472/839,814,922.20
  6. Step 6: Final answer
    x = 741,886,272.90

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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.