Home / 301,486,510,126.15-452,229,765,189.23-299,394,439,485.55

Finding the Fourth Proportional to 301,486,510,126.15, 452,229,765,189.23 and 299,394,439,485.55

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Solution

The fourth proportional to 301,486,510,126.15, 452,229,765,189.23 and 299,394,439,485.55 is: 449,091,659,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,486,510,126.15 : 452,229,765,189.23 = 299,394,439,485.55 : x
  2. Step 2: Convert to fraction form
    301,486,510,126.15/452,229,765,189.23 = 299,394,439,485.55/x
  3. Step 3: Cross multiply
    301,486,510,126.15x = 452,229,765,189.23 × 299,394,439,485.55
  4. Step 4: Simplify right side
    301,486,510,126.15x = 135,395,077,067,511,393,419,264
  5. Step 5: Solve for x
    x = 135,395,077,067,511,393,419,264/301,486,510,126.15
  6. Step 6: Final answer
    x = 449,091,659,228.33

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Double scale
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1.5x scale

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.