Home / 422,410,384.32-632,633,001.12-410,786,819.52

Finding the Fourth Proportional to 422,410,384.32, 632,633,001.12 and 410,786,819.52

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Solution

The fourth proportional to 422,410,384.32, 632,633,001.12 and 410,786,819.52 is: 615,224,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,410,384.32 : 632,633,001.12 = 410,786,819.52 : x
  2. Step 2: Convert to fraction form
    422,410,384.32/632,633,001.12 = 410,786,819.52/x
  3. Step 3: Cross multiply
    422,410,384.32x = 632,633,001.12 × 410,786,819.52
  4. Step 4: Simplify right side
    422,410,384.32x = 259,877,298,453,477,376
  5. Step 5: Solve for x
    x = 259,877,298,453,477,376/422,410,384.32
  6. Step 6: Final answer
    x = 615,224,691.67

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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.