Home / 521,936,198.64-782,387,161.32-245,091,834.48

Finding the Fourth Proportional to 521,936,198.64, 782,387,161.32 and 245,091,834.48

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Solution

The fourth proportional to 521,936,198.64, 782,387,161.32 and 245,091,834.48 is: 367,394,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,936,198.64 : 782,387,161.32 = 245,091,834.48 : x
  2. Step 2: Convert to fraction form
    521,936,198.64/782,387,161.32 = 245,091,834.48/x
  3. Step 3: Cross multiply
    521,936,198.64x = 782,387,161.32 × 245,091,834.48
  4. Step 4: Simplify right side
    521,936,198.64x = 191,756,704,641,518,496
  5. Step 5: Solve for x
    x = 191,756,704,641,518,496/521,936,198.64
  6. Step 6: Final answer
    x = 367,394,913.67

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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.