Home / 10,081,920,239.20-15,122,880,358.80-5,432,874,371.20

Finding the Fourth Proportional to 10,081,920,239.20, 15,122,880,358.80 and 5,432,874,371.20

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Solution

The fourth proportional to 10,081,920,239.20, 15,122,880,358.80 and 5,432,874,371.20 is: 8,149,311,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,920,239.20 : 15,122,880,358.80 = 5,432,874,371.20 : x
  2. Step 2: Convert to fraction form
    10,081,920,239.20/15,122,880,358.80 = 5,432,874,371.20/x
  3. Step 3: Cross multiply
    10,081,920,239.20x = 15,122,880,358.80 × 5,432,874,371.20
  4. Step 4: Simplify right side
    10,081,920,239.20x = 82,160,709,120,048,365,568
  5. Step 5: Solve for x
    x = 82,160,709,120,048,365,568/10,081,920,239.20
  6. Step 6: Final answer
    x = 8,149,311,556.80

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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.