Home / 896,864,581.20-1,345,296,871.80-667,282,069.20

Finding the Fourth Proportional to 896,864,581.20, 1,345,296,871.80 and 667,282,069.20

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Solution

The fourth proportional to 896,864,581.20, 1,345,296,871.80 and 667,282,069.20 is: 1,000,923,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,864,581.20 : 1,345,296,871.80 = 667,282,069.20 : x
  2. Step 2: Convert to fraction form
    896,864,581.20/1,345,296,871.80 = 667,282,069.20/x
  3. Step 3: Cross multiply
    896,864,581.20x = 1,345,296,871.80 × 667,282,069.20
  4. Step 4: Simplify right side
    896,864,581.20x = 897,692,480,302,991,104
  5. Step 5: Solve for x
    x = 897,692,480,302,991,104/896,864,581.20
  6. Step 6: Final answer
    x = 1,000,923,103.80

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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.