Home / 1,940,229,302.30-2,910,368,836.65-647,764,790.30

Finding the Fourth Proportional to 1,940,229,302.30, 2,910,368,836.65 and 647,764,790.30

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Solution

The fourth proportional to 1,940,229,302.30, 2,910,368,836.65 and 647,764,790.30 is: 971,655,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,229,302.30 : 2,910,368,836.65 = 647,764,790.30 : x
  2. Step 2: Convert to fraction form
    1,940,229,302.30/2,910,368,836.65 = 647,764,790.30/x
  3. Step 3: Cross multiply
    1,940,229,302.30x = 2,910,368,836.65 × 647,764,790.30
  4. Step 4: Simplify right side
    1,940,229,302.30x = 1,885,234,459,168,242,176
  5. Step 5: Solve for x
    x = 1,885,234,459,168,242,176/1,940,229,302.30
  6. Step 6: Final answer
    x = 971,655,492.95

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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.