Home / 3,450,870,120.60-5,176,305,180.90-2,899,872,091.80

Finding the Fourth Proportional to 3,450,870,120.60, 5,176,305,180.90 and 2,899,872,091.80

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Solution

The fourth proportional to 3,450,870,120.60, 5,176,305,180.90 and 2,899,872,091.80 is: 4,349,808,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,870,120.60 : 5,176,305,180.90 = 2,899,872,091.80 : x
  2. Step 2: Convert to fraction form
    3,450,870,120.60/5,176,305,180.90 = 2,899,872,091.80/x
  3. Step 3: Cross multiply
    3,450,870,120.60x = 5,176,305,180.90 × 2,899,872,091.80
  4. Step 4: Simplify right side
    3,450,870,120.60x = 15,010,622,932,731,660,288
  5. Step 5: Solve for x
    x = 15,010,622,932,731,660,288/3,450,870,120.60
  6. Step 6: Final answer
    x = 4,349,808,137.70

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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.