Home / 3,920,022,000.30-5,880,033,000.45-1,960,917,897.90

Finding the Fourth Proportional to 3,920,022,000.30, 5,880,033,000.45 and 1,960,917,897.90

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Solution

The fourth proportional to 3,920,022,000.30, 5,880,033,000.45 and 1,960,917,897.90 is: 2,941,376,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,022,000.30 : 5,880,033,000.45 = 1,960,917,897.90 : x
  2. Step 2: Convert to fraction form
    3,920,022,000.30/5,880,033,000.45 = 1,960,917,897.90/x
  3. Step 3: Cross multiply
    3,920,022,000.30x = 5,880,033,000.45 × 1,960,917,897.90
  4. Step 4: Simplify right side
    3,920,022,000.30x = 11,530,261,950,825,043,968
  5. Step 5: Solve for x
    x = 11,530,261,950,825,043,968/3,920,022,000.30
  6. Step 6: Final answer
    x = 2,941,376,846.85

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Double scale
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Similar ratio
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1.5x scale

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.