Home / 800,139,165.12-1,198,655,778.24-589,667,608.80

Finding the Fourth Proportional to 800,139,165.12, 1,198,655,778.24 and 589,667,608.80

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Solution

The fourth proportional to 800,139,165.12, 1,198,655,778.24 and 589,667,608.80 is: 883,356,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,139,165.12 : 1,198,655,778.24 = 589,667,608.80 : x
  2. Step 2: Convert to fraction form
    800,139,165.12/1,198,655,778.24 = 589,667,608.80/x
  3. Step 3: Cross multiply
    800,139,165.12x = 1,198,655,778.24 × 589,667,608.80
  4. Step 4: Simplify right side
    800,139,165.12x = 706,808,486,529,083,776
  5. Step 5: Solve for x
    x = 706,808,486,529,083,776/800,139,165.12
  6. Step 6: Final answer
    x = 883,356,942.57

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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.