Home / 1,327,995,919.80-1,992,683,265.84-541,626,485.67

Finding the Fourth Proportional to 1,327,995,919.80, 1,992,683,265.84 and 541,626,485.67

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Solution

The fourth proportional to 1,327,995,919.80, 1,992,683,265.84 and 541,626,485.67 is: 812,720,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,995,919.80 : 1,992,683,265.84 = 541,626,485.67 : x
  2. Step 2: Convert to fraction form
    1,327,995,919.80/1,992,683,265.84 = 541,626,485.67/x
  3. Step 3: Cross multiply
    1,327,995,919.80x = 1,992,683,265.84 × 541,626,485.67
  4. Step 4: Simplify right side
    1,327,995,919.80x = 1,079,290,034,330,337,408
  5. Step 5: Solve for x
    x = 1,079,290,034,330,337,408/1,327,995,919.80
  6. Step 6: Final answer
    x = 812,720,896.38

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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.