Home / 6,556,853,505.56-9,835,969,221.78-2,135,617,212.68

Finding the Fourth Proportional to 6,556,853,505.56, 9,835,969,221.78 and 2,135,617,212.68

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Solution

The fourth proportional to 6,556,853,505.56, 9,835,969,221.78 and 2,135,617,212.68 is: 3,203,650,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556,853,505.56 : 9,835,969,221.78 = 2,135,617,212.68 : x
  2. Step 2: Convert to fraction form
    6,556,853,505.56/9,835,969,221.78 = 2,135,617,212.68/x
  3. Step 3: Cross multiply
    6,556,853,505.56x = 9,835,969,221.78 × 2,135,617,212.68
  4. Step 4: Simplify right side
    6,556,853,505.56x = 21,005,865,173,424,074,752
  5. Step 5: Solve for x
    x = 21,005,865,173,424,074,752/6,556,853,505.56
  6. Step 6: Final answer
    x = 3,203,650,219.67

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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.