Home / 1,882,109,447.36-2,822,565,212.73-621,338,815.50

Finding the Fourth Proportional to 1,882,109,447.36, 2,822,565,212.73 and 621,338,815.50

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Solution

The fourth proportional to 1,882,109,447.36, 2,822,565,212.73 and 621,338,815.50 is: 931,810,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,109,447.36 : 2,822,565,212.73 = 621,338,815.50 : x
  2. Step 2: Convert to fraction form
    1,882,109,447.36/2,822,565,212.73 = 621,338,815.50/x
  3. Step 3: Cross multiply
    1,882,109,447.36x = 2,822,565,212.73 × 621,338,815.50
  4. Step 4: Simplify right side
    1,882,109,447.36x = 1,753,769,325,946,056,960
  5. Step 5: Solve for x
    x = 1,753,769,325,946,056,960/1,882,109,447.36
  6. Step 6: Final answer
    x = 931,810,489.77

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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.