Home / 7,447,111,781.80-11,170,667,672.70-2,539,945,676.20

Finding the Fourth Proportional to 7,447,111,781.80, 11,170,667,672.70 and 2,539,945,676.20

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Solution

The fourth proportional to 7,447,111,781.80, 11,170,667,672.70 and 2,539,945,676.20 is: 3,809,918,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,111,781.80 : 11,170,667,672.70 = 2,539,945,676.20 : x
  2. Step 2: Convert to fraction form
    7,447,111,781.80/11,170,667,672.70 = 2,539,945,676.20/x
  3. Step 3: Cross multiply
    7,447,111,781.80x = 11,170,667,672.70 × 2,539,945,676.20
  4. Step 4: Simplify right side
    7,447,111,781.80x = 28,372,889,055,541,481,472
  5. Step 5: Solve for x
    x = 28,372,889,055,541,481,472/7,447,111,781.80
  6. Step 6: Final answer
    x = 3,809,918,514.30

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1.5x scale

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.