Home / 8,081,818,765.28-11,071,906,432.12-7,779,661,589.60

Finding the Fourth Proportional to 8,081,818,765.28, 11,071,906,432.12 and 7,779,661,589.60

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Solution

The fourth proportional to 8,081,818,765.28, 11,071,906,432.12 and 7,779,661,589.60 is: 10,657,958,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081,818,765.28 : 11,071,906,432.12 = 7,779,661,589.60 : x
  2. Step 2: Convert to fraction form
    8,081,818,765.28/11,071,906,432.12 = 7,779,661,589.60/x
  3. Step 3: Cross multiply
    8,081,818,765.28x = 11,071,906,432.12 × 7,779,661,589.60
  4. Step 4: Simplify right side
    8,081,818,765.28x = 86,135,685,193,609,150,464
  5. Step 5: Solve for x
    x = 86,135,685,193,609,150,464/8,081,818,765.28
  6. Step 6: Final answer
    x = 10,657,958,028.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.