Home / 2,125,766,712.90-3,188,650,069.35-1,867,486,386.90

Finding the Fourth Proportional to 2,125,766,712.90, 3,188,650,069.35 and 1,867,486,386.90

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Solution

The fourth proportional to 2,125,766,712.90, 3,188,650,069.35 and 1,867,486,386.90 is: 2,801,229,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,766,712.90 : 3,188,650,069.35 = 1,867,486,386.90 : x
  2. Step 2: Convert to fraction form
    2,125,766,712.90/3,188,650,069.35 = 1,867,486,386.90/x
  3. Step 3: Cross multiply
    2,125,766,712.90x = 3,188,650,069.35 × 1,867,486,386.90
  4. Step 4: Simplify right side
    2,125,766,712.90x = 5,954,760,597,098,865,664
  5. Step 5: Solve for x
    x = 5,954,760,597,098,865,664/2,125,766,712.90
  6. Step 6: Final answer
    x = 2,801,229,580.35

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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.