Home / 2,803,147,624.56-3,868,368,786.36-1,550,168,785.20

Finding the Fourth Proportional to 2,803,147,624.56, 3,868,368,786.36 and 1,550,168,785.20

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Solution

The fourth proportional to 2,803,147,624.56, 3,868,368,786.36 and 1,550,168,785.20 is: 2,139,246,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,147,624.56 : 3,868,368,786.36 = 1,550,168,785.20 : x
  2. Step 2: Convert to fraction form
    2,803,147,624.56/3,868,368,786.36 = 1,550,168,785.20/x
  3. Step 3: Cross multiply
    2,803,147,624.56x = 3,868,368,786.36 × 1,550,168,785.20
  4. Step 4: Simplify right side
    2,803,147,624.56x = 5,996,624,542,257,280,000
  5. Step 5: Solve for x
    x = 5,996,624,542,257,280,000/2,803,147,624.56
  6. Step 6: Final answer
    x = 2,139,246,784.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.