Home / 806,078,480,855.40-1,209,287,534,691.30-261,484,455,469.95

Finding the Fourth Proportional to 806,078,480,855.40, 1,209,287,534,691.30 and 261,484,455,469.95

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Solution

The fourth proportional to 806,078,480,855.40, 1,209,287,534,691.30 and 261,484,455,469.95 is: 392,281,769,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,078,480,855.40 : 1,209,287,534,691.30 = 261,484,455,469.95 : x
  2. Step 2: Convert to fraction form
    806,078,480,855.40/1,209,287,534,691.30 = 261,484,455,469.95/x
  3. Step 3: Cross multiply
    806,078,480,855.40x = 1,209,287,534,691.30 × 261,484,455,469.95
  4. Step 4: Simplify right side
    806,078,480,855.40x = 316,209,892,515,352,894,504,960
  5. Step 5: Solve for x
    x = 316,209,892,515,352,894,504,960/806,078,480,855.40
  6. Step 6: Final answer
    x = 392,281,769,114.83

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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.