Home / 448,633,376.08-673,187,158.92-318,317,836.06

Finding the Fourth Proportional to 448,633,376.08, 673,187,158.92 and 318,317,836.06

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Solution

The fourth proportional to 448,633,376.08, 673,187,158.92 and 318,317,836.06 is: 477,644,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,633,376.08 : 673,187,158.92 = 318,317,836.06 : x
  2. Step 2: Convert to fraction form
    448,633,376.08/673,187,158.92 = 318,317,836.06/x
  3. Step 3: Cross multiply
    448,633,376.08x = 673,187,158.92 × 318,317,836.06
  4. Step 4: Simplify right side
    448,633,376.08x = 214,287,479,690,793,728
  5. Step 5: Solve for x
    x = 214,287,479,690,793,728/448,633,376.08
  6. Step 6: Final answer
    x = 477,644,979.43

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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.