Home / 579,327,234.80-868,990,852.20-170,424,719.60

Finding the Fourth Proportional to 579,327,234.80, 868,990,852.20 and 170,424,719.60

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Solution

The fourth proportional to 579,327,234.80, 868,990,852.20 and 170,424,719.60 is: 255,637,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,327,234.80 : 868,990,852.20 = 170,424,719.60 : x
  2. Step 2: Convert to fraction form
    579,327,234.80/868,990,852.20 = 170,424,719.60/x
  3. Step 3: Cross multiply
    579,327,234.80x = 868,990,852.20 × 170,424,719.60
  4. Step 4: Simplify right side
    579,327,234.80x = 148,097,522,321,150,048
  5. Step 5: Solve for x
    x = 148,097,522,321,150,048/579,327,234.80
  6. Step 6: Final answer
    x = 255,637,079.40

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Similar ratio
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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.