Home / 744,103,145.78-1,026,854,191.90-409,568,515.82

Finding the Fourth Proportional to 744,103,145.78, 1,026,854,191.90 and 409,568,515.82

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Solution

The fourth proportional to 744,103,145.78, 1,026,854,191.90 and 409,568,515.82 is: 565,200,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,103,145.78 : 1,026,854,191.90 = 409,568,515.82 : x
  2. Step 2: Convert to fraction form
    744,103,145.78/1,026,854,191.90 = 409,568,515.82/x
  3. Step 3: Cross multiply
    744,103,145.78x = 1,026,854,191.90 × 409,568,515.82
  4. Step 4: Simplify right side
    744,103,145.78x = 420,567,147,332,846,336
  5. Step 5: Solve for x
    x = 420,567,147,332,846,336/744,103,145.78
  6. Step 6: Final answer
    x = 565,200,066.31

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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.