Home / 11,000,107,905.86-15,180,515,175.93-6,178,321,301.78

Finding the Fourth Proportional to 11,000,107,905.86, 15,180,515,175.93 and 6,178,321,301.78

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Solution

The fourth proportional to 11,000,107,905.86, 15,180,515,175.93 and 6,178,321,301.78 is: 8,526,289,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000,107,905.86 : 15,180,515,175.93 = 6,178,321,301.78 : x
  2. Step 2: Convert to fraction form
    11,000,107,905.86/15,180,515,175.93 = 6,178,321,301.78/x
  3. Step 3: Cross multiply
    11,000,107,905.86x = 15,180,515,175.93 × 6,178,321,301.78
  4. Step 4: Simplify right side
    11,000,107,905.86x = 93,790,100,283,442,888,704
  5. Step 5: Solve for x
    x = 93,790,100,283,442,888,704/11,000,107,905.86
  6. Step 6: Final answer
    x = 8,526,289,113.35

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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.