Home / 619,244,638.77-854,557,354.89-340,786,162.20

Finding the Fourth Proportional to 619,244,638.77, 854,557,354.89 and 340,786,162.20

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Solution

The fourth proportional to 619,244,638.77, 854,557,354.89 and 340,786,162.20 is: 470,284,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,244,638.77 : 854,557,354.89 = 340,786,162.20 : x
  2. Step 2: Convert to fraction form
    619,244,638.77/854,557,354.89 = 340,786,162.20/x
  3. Step 3: Cross multiply
    619,244,638.77x = 854,557,354.89 × 340,786,162.20
  4. Step 4: Simplify right side
    619,244,638.77x = 291,221,321,352,746,496
  5. Step 5: Solve for x
    x = 291,221,321,352,746,496/619,244,638.77
  6. Step 6: Final answer
    x = 470,284,768.12

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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.