Home / 20,396,512,822.70-30,594,769,234.05-12,111,135,056.30

Finding the Fourth Proportional to 20,396,512,822.70, 30,594,769,234.05 and 12,111,135,056.30

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Solution

The fourth proportional to 20,396,512,822.70, 30,594,769,234.05 and 12,111,135,056.30 is: 18,166,702,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396,512,822.70 : 30,594,769,234.05 = 12,111,135,056.30 : x
  2. Step 2: Convert to fraction form
    20,396,512,822.70/30,594,769,234.05 = 12,111,135,056.30/x
  3. Step 3: Cross multiply
    20,396,512,822.70x = 30,594,769,234.05 × 12,111,135,056.30
  4. Step 4: Simplify right side
    20,396,512,822.70x = 370,537,382,209,911,652,352
  5. Step 5: Solve for x
    x = 370,537,382,209,911,652,352/20,396,512,822.70
  6. Step 6: Final answer
    x = 18,166,702,584.45

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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.