Home / 2,489,765,071.97-3,435,879,147.39-1,432,471,838.40

Finding the Fourth Proportional to 2,489,765,071.97, 3,435,879,147.39 and 1,432,471,838.40

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Solution

The fourth proportional to 2,489,765,071.97, 3,435,879,147.39 and 1,432,471,838.40 is: 1,976,813,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,765,071.97 : 3,435,879,147.39 = 1,432,471,838.40 : x
  2. Step 2: Convert to fraction form
    2,489,765,071.97/3,435,879,147.39 = 1,432,471,838.40/x
  3. Step 3: Cross multiply
    2,489,765,071.97x = 3,435,879,147.39 × 1,432,471,838.40
  4. Step 4: Simplify right side
    2,489,765,071.97x = 4,921,800,118,781,977,600
  5. Step 5: Solve for x
    x = 4,921,800,118,781,977,600/2,489,765,071.97
  6. Step 6: Final answer
    x = 1,976,813,063.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.