Home / 253,512,579,917.32-349,855,750,357.52-139,331,248,124.20

Finding the Fourth Proportional to 253,512,579,917.32, 349,855,750,357.52 and 139,331,248,124.20

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Solution

The fourth proportional to 253,512,579,917.32, 349,855,750,357.52 and 139,331,248,124.20 is: 192,281,733,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,512,579,917.32 : 349,855,750,357.52 = 139,331,248,124.20 : x
  2. Step 2: Convert to fraction form
    253,512,579,917.32/349,855,750,357.52 = 139,331,248,124.20/x
  3. Step 3: Cross multiply
    253,512,579,917.32x = 349,855,750,357.52 × 139,331,248,124.20
  4. Step 4: Simplify right side
    253,512,579,917.32x = 48,745,838,360,741,797,691,392
  5. Step 5: Solve for x
    x = 48,745,838,360,741,797,691,392/253,512,579,917.32
  6. Step 6: Final answer
    x = 192,281,733,619.06

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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.