Home / 3,729,989,217.12-5,147,358,469.20-2,036,443,809.12

Finding the Fourth Proportional to 3,729,989,217.12, 5,147,358,469.20 and 2,036,443,809.12

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Solution

The fourth proportional to 3,729,989,217.12, 5,147,358,469.20 and 2,036,443,809.12 is: 2,810,277,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729,989,217.12 : 5,147,358,469.20 = 2,036,443,809.12 : x
  2. Step 2: Convert to fraction form
    3,729,989,217.12/5,147,358,469.20 = 2,036,443,809.12/x
  3. Step 3: Cross multiply
    3,729,989,217.12x = 5,147,358,469.20 × 2,036,443,809.12
  4. Step 4: Simplify right side
    3,729,989,217.12x = 10,482,306,287,923,738,624
  5. Step 5: Solve for x
    x = 10,482,306,287,923,738,624/3,729,989,217.12
  6. Step 6: Final answer
    x = 2,810,277,906.38

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Double scale
Find fourth proportional to 3,729,989,218.12, 5,147,358,470.58 and 2,036,443,810.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.