Home / 383,309,635.88-528,966,251.99-213,764,057.77

Finding the Fourth Proportional to 383,309,635.88, 528,966,251.99 and 213,764,057.77

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Solution

The fourth proportional to 383,309,635.88, 528,966,251.99 and 213,764,057.77 is: 294,993,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,309,635.88 : 528,966,251.99 = 213,764,057.77 : x
  2. Step 2: Convert to fraction form
    383,309,635.88/528,966,251.99 = 213,764,057.77/x
  3. Step 3: Cross multiply
    383,309,635.88x = 528,966,251.99 × 213,764,057.77
  4. Step 4: Simplify right side
    383,309,635.88x = 113,073,972,446,660,304
  5. Step 5: Solve for x
    x = 113,073,972,446,660,304/383,309,635.88
  6. Step 6: Final answer
    x = 294,993,816.65

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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.