Home / 786,319,489,167.40-1,179,479,233,751.10-764,279,568,015.40

Finding the Fourth Proportional to 786,319,489,167.40, 1,179,479,233,751.10 and 764,279,568,015.40

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Solution

The fourth proportional to 786,319,489,167.40, 1,179,479,233,751.10 and 764,279,568,015.40 is: 1,146,419,352,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,319,489,167.40 : 1,179,479,233,751.10 = 764,279,568,015.40 : x
  2. Step 2: Convert to fraction form
    786,319,489,167.40/1,179,479,233,751.10 = 764,279,568,015.40/x
  3. Step 3: Cross multiply
    786,319,489,167.40x = 1,179,479,233,751.10 × 764,279,568,015.40
  4. Step 4: Simplify right side
    786,319,489,167.40x = 901,451,879,254,425,744,703,488
  5. Step 5: Solve for x
    x = 901,451,879,254,425,744,703,488/786,319,489,167.40
  6. Step 6: Final answer
    x = 1,146,419,352,023.10

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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.