Home / 673,629,149.80-929,260,026.57-426,253,993.12

Finding the Fourth Proportional to 673,629,149.80, 929,260,026.57 and 426,253,993.12

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Solution

The fourth proportional to 673,629,149.80, 929,260,026.57 and 426,253,993.12 is: 588,010,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,629,149.80 : 929,260,026.57 = 426,253,993.12 : x
  2. Step 2: Convert to fraction form
    673,629,149.80/929,260,026.57 = 426,253,993.12/x
  3. Step 3: Cross multiply
    673,629,149.80x = 929,260,026.57 × 426,253,993.12
  4. Step 4: Simplify right side
    673,629,149.80x = 396,100,796,972,259,840
  5. Step 5: Solve for x
    x = 396,100,796,972,259,840/673,629,149.80
  6. Step 6: Final answer
    x = 588,010,179.03

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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.