Home / 521,594,525.20-782,486,266.20-262,156,838.80

Finding the Fourth Proportional to 521,594,525.20, 782,486,266.20 and 262,156,838.80

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Solution

The fourth proportional to 521,594,525.20, 782,486,266.20 and 262,156,838.80 is: 393,282,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,594,525.20 : 782,486,266.20 = 262,156,838.80 : x
  2. Step 2: Convert to fraction form
    521,594,525.20/782,486,266.20 = 262,156,838.80/x
  3. Step 3: Cross multiply
    521,594,525.20x = 782,486,266.20 × 262,156,838.80
  4. Step 4: Simplify right side
    521,594,525.20x = 205,134,125,951,407,296
  5. Step 5: Solve for x
    x = 205,134,125,951,407,296/521,594,525.20
  6. Step 6: Final answer
    x = 393,282,743.67

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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.