Home / 285,857,158.83-394,260,484.23-206,768,898.06

Finding the Fourth Proportional to 285,857,158.83, 394,260,484.23 and 206,768,898.06

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Solution

The fourth proportional to 285,857,158.83, 394,260,484.23 and 206,768,898.06 is: 285,180,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,857,158.83 : 394,260,484.23 = 206,768,898.06 : x
  2. Step 2: Convert to fraction form
    285,857,158.83/394,260,484.23 = 206,768,898.06/x
  3. Step 3: Cross multiply
    285,857,158.83x = 394,260,484.23 × 206,768,898.06
  4. Step 4: Simplify right side
    285,857,158.83x = 81,520,805,872,839,120
  5. Step 5: Solve for x
    x = 81,520,805,872,839,120/285,857,158.83
  6. Step 6: Final answer
    x = 285,180,214.50

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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.