Home / 725,328,002.80-1,087,992,004.20-522,766,313.20

Finding the Fourth Proportional to 725,328,002.80, 1,087,992,004.20 and 522,766,313.20

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Solution

The fourth proportional to 725,328,002.80, 1,087,992,004.20 and 522,766,313.20 is: 784,149,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,328,002.80 : 1,087,992,004.20 = 522,766,313.20 : x
  2. Step 2: Convert to fraction form
    725,328,002.80/1,087,992,004.20 = 522,766,313.20/x
  3. Step 3: Cross multiply
    725,328,002.80x = 1,087,992,004.20 × 522,766,313.20
  4. Step 4: Simplify right side
    725,328,002.80x = 568,765,568,826,712,896
  5. Step 5: Solve for x
    x = 568,765,568,826,712,896/725,328,002.80
  6. Step 6: Final answer
    x = 784,149,469.80

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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.