Home / 7,002,407,676.78-9,663,293,704.26-3,787,321,256.88

Finding the Fourth Proportional to 7,002,407,676.78, 9,663,293,704.26 and 3,787,321,256.88

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Solution

The fourth proportional to 7,002,407,676.78, 9,663,293,704.26 and 3,787,321,256.88 is: 5,226,487,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,407,676.78 : 9,663,293,704.26 = 3,787,321,256.88 : x
  2. Step 2: Convert to fraction form
    7,002,407,676.78/9,663,293,704.26 = 3,787,321,256.88/x
  3. Step 3: Cross multiply
    7,002,407,676.78x = 9,663,293,704.26 × 3,787,321,256.88
  4. Step 4: Simplify right side
    7,002,407,676.78x = 36,597,997,657,618,575,360
  5. Step 5: Solve for x
    x = 36,597,997,657,618,575,360/7,002,407,676.78
  6. Step 6: Final answer
    x = 5,226,487,709.22

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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.