Home / 800,139,168.87-1,198,655,783.87-589,667,612.55

Finding the Fourth Proportional to 800,139,168.87, 1,198,655,783.87 and 589,667,612.55

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Solution

The fourth proportional to 800,139,168.87, 1,198,655,783.87 and 589,667,612.55 is: 883,356,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,139,168.87 : 1,198,655,783.87 = 589,667,612.55 : x
  2. Step 2: Convert to fraction form
    800,139,168.87/1,198,655,783.87 = 589,667,612.55/x
  3. Step 3: Cross multiply
    800,139,168.87x = 1,198,655,783.87 × 589,667,612.55
  4. Step 4: Simplify right side
    800,139,168.87x = 706,808,494,340,923,264
  5. Step 5: Solve for x
    x = 706,808,494,340,923,264/800,139,168.87
  6. Step 6: Final answer
    x = 883,356,948.19

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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.