Home / 2,125,766,711.40-3,188,650,067.10-1,867,486,385.40

Finding the Fourth Proportional to 2,125,766,711.40, 3,188,650,067.10 and 1,867,486,385.40

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Solution

The fourth proportional to 2,125,766,711.40, 3,188,650,067.10 and 1,867,486,385.40 is: 2,801,229,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,766,711.40 : 3,188,650,067.10 = 1,867,486,385.40 : x
  2. Step 2: Convert to fraction form
    2,125,766,711.40/3,188,650,067.10 = 1,867,486,385.40/x
  3. Step 3: Cross multiply
    2,125,766,711.40x = 3,188,650,067.10 × 1,867,486,385.40
  4. Step 4: Simplify right side
    2,125,766,711.40x = 5,954,760,588,114,046,976
  5. Step 5: Solve for x
    x = 5,954,760,588,114,046,976/2,125,766,711.40
  6. Step 6: Final answer
    x = 2,801,229,578.10

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Double scale
Find fourth proportional to 2,125,766,712.40, 3,188,650,068.60 and 1,867,486,386.40
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.