Home / 800,394,953.77-1,104,293,345.74-447,914,939.05

Finding the Fourth Proportional to 800,394,953.77, 1,104,293,345.74 and 447,914,939.05

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Solution

The fourth proportional to 800,394,953.77, 1,104,293,345.74 and 447,914,939.05 is: 617,981,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,394,953.77 : 1,104,293,345.74 = 447,914,939.05 : x
  2. Step 2: Convert to fraction form
    800,394,953.77/1,104,293,345.74 = 447,914,939.05/x
  3. Step 3: Cross multiply
    800,394,953.77x = 1,104,293,345.74 × 447,914,939.05
  4. Step 4: Simplify right side
    800,394,953.77x = 494,629,486,650,452,672
  5. Step 5: Solve for x
    x = 494,629,486,650,452,672/800,394,953.77
  6. Step 6: Final answer
    x = 617,981,765.53

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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.