Home / 27,087,508,115.10-40,631,262,172.65-20,888,780,291.10

Finding the Fourth Proportional to 27,087,508,115.10, 40,631,262,172.65 and 20,888,780,291.10

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Solution

The fourth proportional to 27,087,508,115.10, 40,631,262,172.65 and 20,888,780,291.10 is: 31,333,170,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087,508,115.10 : 40,631,262,172.65 = 20,888,780,291.10 : x
  2. Step 2: Convert to fraction form
    27,087,508,115.10/40,631,262,172.65 = 20,888,780,291.10/x
  3. Step 3: Cross multiply
    27,087,508,115.10x = 40,631,262,172.65 × 20,888,780,291.10
  4. Step 4: Simplify right side
    27,087,508,115.10x = 848,737,508,474,568,310,784
  5. Step 5: Solve for x
    x = 848,737,508,474,568,310,784/27,087,508,115.10
  6. Step 6: Final answer
    x = 31,333,170,436.65

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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.