Home / 7,108,171,595.72-9,809,585,149.46-3,936,355,512.20

Finding the Fourth Proportional to 7,108,171,595.72, 9,809,585,149.46 and 3,936,355,512.20

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Solution

The fourth proportional to 7,108,171,595.72, 9,809,585,149.46 and 3,936,355,512.20 is: 5,432,341,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108,171,595.72 : 9,809,585,149.46 = 3,936,355,512.20 : x
  2. Step 2: Convert to fraction form
    7,108,171,595.72/9,809,585,149.46 = 3,936,355,512.20/x
  3. Step 3: Cross multiply
    7,108,171,595.72x = 9,809,585,149.46 × 3,936,355,512.20
  4. Step 4: Simplify right side
    7,108,171,595.72x = 38,614,014,575,407,341,568
  5. Step 5: Solve for x
    x = 38,614,014,575,407,341,568/7,108,171,595.72
  6. Step 6: Final answer
    x = 5,432,341,363.09

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Double scale
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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.