Home / 470,016,091.20-705,024,136.80-197,296,219.20

Finding the Fourth Proportional to 470,016,091.20, 705,024,136.80 and 197,296,219.20

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Solution

The fourth proportional to 470,016,091.20, 705,024,136.80 and 197,296,219.20 is: 295,944,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,016,091.20 : 705,024,136.80 = 197,296,219.20 : x
  2. Step 2: Convert to fraction form
    470,016,091.20/705,024,136.80 = 197,296,219.20/x
  3. Step 3: Cross multiply
    470,016,091.20x = 705,024,136.80 × 197,296,219.20
  4. Step 4: Simplify right side
    470,016,091.20x = 139,098,596,635,383,568
  5. Step 5: Solve for x
    x = 139,098,596,635,383,568/470,016,091.20
  6. Step 6: Final answer
    x = 295,944,328.80

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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.