Home / 378,682,145,387.43-522,581,864,587.80-205,067,584,500.83

Finding the Fourth Proportional to 378,682,145,387.43, 522,581,864,587.80 and 205,067,584,500.83

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Solution

The fourth proportional to 378,682,145,387.43, 522,581,864,587.80 and 205,067,584,500.83 is: 282,993,539,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,682,145,387.43 : 522,581,864,587.80 = 205,067,584,500.83 : x
  2. Step 2: Convert to fraction form
    378,682,145,387.43/522,581,864,587.80 = 205,067,584,500.83/x
  3. Step 3: Cross multiply
    378,682,145,387.43x = 522,581,864,587.80 × 205,067,584,500.83
  4. Step 4: Simplify right side
    378,682,145,387.43x = 107,164,600,674,959,962,931,200
  5. Step 5: Solve for x
    x = 107,164,600,674,959,962,931,200/378,682,145,387.43
  6. Step 6: Final answer
    x = 282,993,539,516.68

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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.