Home / 321,798,638.60-482,949,900.30-149,296,826.60

Finding the Fourth Proportional to 321,798,638.60, 482,949,900.30 and 149,296,826.60

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Solution

The fourth proportional to 321,798,638.60, 482,949,900.30 and 149,296,826.60 is: 224,062,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,798,638.60 : 482,949,900.30 = 149,296,826.60 : x
  2. Step 2: Convert to fraction form
    321,798,638.60/482,949,900.30 = 149,296,826.60/x
  3. Step 3: Cross multiply
    321,798,638.60x = 482,949,900.30 × 149,296,826.60
  4. Step 4: Simplify right side
    321,798,638.60x = 72,102,887,521,576,384
  5. Step 5: Solve for x
    x = 72,102,887,521,576,384/321,798,638.60
  6. Step 6: Final answer
    x = 224,062,127.28

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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.