Home / 2,639,313,623.70-3,961,521,352.35-1,330,693,305.30

Finding the Fourth Proportional to 2,639,313,623.70, 3,961,521,352.35 and 1,330,693,305.30

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Solution

The fourth proportional to 2,639,313,623.70, 3,961,521,352.35 and 1,330,693,305.30 is: 1,997,326,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,313,623.70 : 3,961,521,352.35 = 1,330,693,305.30 : x
  2. Step 2: Convert to fraction form
    2,639,313,623.70/3,961,521,352.35 = 1,330,693,305.30/x
  3. Step 3: Cross multiply
    2,639,313,623.70x = 3,961,521,352.35 × 1,330,693,305.30
  4. Step 4: Simplify right side
    2,639,313,623.70x = 5,271,569,942,375,147,520
  5. Step 5: Solve for x
    x = 5,271,569,942,375,147,520/2,639,313,623.70
  6. Step 6: Final answer
    x = 1,997,326,083.21

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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.