Home / 726,764,786.20-1,090,147,179.30-670,644,616.60

Finding the Fourth Proportional to 726,764,786.20, 1,090,147,179.30 and 670,644,616.60

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Solution

The fourth proportional to 726,764,786.20, 1,090,147,179.30 and 670,644,616.60 is: 1,005,966,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,764,786.20 : 1,090,147,179.30 = 670,644,616.60 : x
  2. Step 2: Convert to fraction form
    726,764,786.20/1,090,147,179.30 = 670,644,616.60/x
  3. Step 3: Cross multiply
    726,764,786.20x = 1,090,147,179.30 × 670,644,616.60
  4. Step 4: Simplify right side
    726,764,786.20x = 731,101,337,099,219,968
  5. Step 5: Solve for x
    x = 731,101,337,099,219,968/726,764,786.20
  6. Step 6: Final answer
    x = 1,005,966,924.90

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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.