Home / 1,576,199,638.20-2,364,523,406.10-485,568,982.20

Finding the Fourth Proportional to 1,576,199,638.20, 2,364,523,406.10 and 485,568,982.20

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Solution

The fourth proportional to 1,576,199,638.20, 2,364,523,406.10 and 485,568,982.20 is: 728,422,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,199,638.20 : 2,364,523,406.10 = 485,568,982.20 : x
  2. Step 2: Convert to fraction form
    1,576,199,638.20/2,364,523,406.10 = 485,568,982.20/x
  3. Step 3: Cross multiply
    1,576,199,638.20x = 2,364,523,406.10 × 485,568,982.20
  4. Step 4: Simplify right side
    1,576,199,638.20x = 1,148,139,223,688,054,144
  5. Step 5: Solve for x
    x = 1,148,139,223,688,054,144/1,576,199,638.20
  6. Step 6: Final answer
    x = 728,422,463.67

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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.