Home / 71,568,775,370.40-98,765,208,327.12-39,453,431,998.56

Finding the Fourth Proportional to 71,568,775,370.40, 98,765,208,327.12 and 39,453,431,998.56

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Solution

The fourth proportional to 71,568,775,370.40, 98,765,208,327.12 and 39,453,431,998.56 is: 54,445,900,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568,775,370.40 : 98,765,208,327.12 = 39,453,431,998.56 : x
  2. Step 2: Convert to fraction form
    71,568,775,370.40/98,765,208,327.12 = 39,453,431,998.56/x
  3. Step 3: Cross multiply
    71,568,775,370.40x = 98,765,208,327.12 × 39,453,431,998.56
  4. Step 4: Simplify right side
    71,568,775,370.40x = 3,896,626,430,557,640,196,096
  5. Step 5: Solve for x
    x = 3,896,626,430,557,640,196,096/71,568,775,370.40
  6. Step 6: Final answer
    x = 54,445,900,609.46

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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.