Home / 251,924,074,209.66-378,155,025,919.05-108,573,846,315.90

Finding the Fourth Proportional to 251,924,074,209.66, 378,155,025,919.05 and 108,573,846,315.90

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Solution

The fourth proportional to 251,924,074,209.66, 378,155,025,919.05 and 108,573,846,315.90 is: 162,976,665,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,924,074,209.66 : 378,155,025,919.05 = 108,573,846,315.90 : x
  2. Step 2: Convert to fraction form
    251,924,074,209.66/378,155,025,919.05 = 108,573,846,315.90/x
  3. Step 3: Cross multiply
    251,924,074,209.66x = 378,155,025,919.05 × 108,573,846,315.90
  4. Step 4: Simplify right side
    251,924,074,209.66x = 41,057,745,667,720,109,621,248
  5. Step 5: Solve for x
    x = 41,057,745,667,720,109,621,248/251,924,074,209.66
  6. Step 6: Final answer
    x = 162,976,665,872.55

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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.