Home / 470,162,844.21-648,786,158.73-276,790,867.44

Finding the Fourth Proportional to 470,162,844.21, 648,786,158.73 and 276,790,867.44

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Solution

The fourth proportional to 470,162,844.21, 648,786,158.73 and 276,790,867.44 is: 381,948,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,162,844.21 : 648,786,158.73 = 276,790,867.44 : x
  2. Step 2: Convert to fraction form
    470,162,844.21/648,786,158.73 = 276,790,867.44/x
  3. Step 3: Cross multiply
    470,162,844.21x = 648,786,158.73 × 276,790,867.44
  4. Step 4: Simplify right side
    470,162,844.21x = 179,578,083,655,509,280
  5. Step 5: Solve for x
    x = 179,578,083,655,509,280/470,162,844.21
  6. Step 6: Final answer
    x = 381,948,692.60

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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.