Home / 2,125,770,392.40-3,188,655,588.60-1,867,490,066.40

Finding the Fourth Proportional to 2,125,770,392.40, 3,188,655,588.60 and 1,867,490,066.40

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Solution

The fourth proportional to 2,125,770,392.40, 3,188,655,588.60 and 1,867,490,066.40 is: 2,801,235,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,770,392.40 : 3,188,655,588.60 = 1,867,490,066.40 : x
  2. Step 2: Convert to fraction form
    2,125,770,392.40/3,188,655,588.60 = 1,867,490,066.40/x
  3. Step 3: Cross multiply
    2,125,770,392.40x = 3,188,655,588.60 × 1,867,490,066.40
  4. Step 4: Simplify right side
    2,125,770,392.40x = 5,954,782,636,881,345,536
  5. Step 5: Solve for x
    x = 5,954,782,636,881,345,536/2,125,770,392.40
  6. Step 6: Final answer
    x = 2,801,235,099.60

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Double scale
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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.