Home / 2,989,491,346.20-4,484,237,019.30-2,771,813,112.60

Finding the Fourth Proportional to 2,989,491,346.20, 4,484,237,019.30 and 2,771,813,112.60

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Solution

The fourth proportional to 2,989,491,346.20, 4,484,237,019.30 and 2,771,813,112.60 is: 4,157,719,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,491,346.20 : 4,484,237,019.30 = 2,771,813,112.60 : x
  2. Step 2: Convert to fraction form
    2,989,491,346.20/4,484,237,019.30 = 2,771,813,112.60/x
  3. Step 3: Cross multiply
    2,989,491,346.20x = 4,484,237,019.30 × 2,771,813,112.60
  4. Step 4: Simplify right side
    2,989,491,346.20x = 12,429,466,970,102,079,488
  5. Step 5: Solve for x
    x = 12,429,466,970,102,079,488/2,989,491,346.20
  6. Step 6: Final answer
    x = 4,157,719,668.90

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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.