Home / 1,940,229,301.30-2,910,368,835.15-647,764,789.30

Finding the Fourth Proportional to 1,940,229,301.30, 2,910,368,835.15 and 647,764,789.30

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Solution

The fourth proportional to 1,940,229,301.30, 2,910,368,835.15 and 647,764,789.30 is: 971,655,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,229,301.30 : 2,910,368,835.15 = 647,764,789.30 : x
  2. Step 2: Convert to fraction form
    1,940,229,301.30/2,910,368,835.15 = 647,764,789.30/x
  3. Step 3: Cross multiply
    1,940,229,301.30x = 2,910,368,835.15 × 647,764,789.30
  4. Step 4: Simplify right side
    1,940,229,301.30x = 1,885,234,455,286,226,176
  5. Step 5: Solve for x
    x = 1,885,234,455,286,226,176/1,940,229,301.30
  6. Step 6: Final answer
    x = 971,655,491.45

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Double scale
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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.