Home / 619,244,636.77-854,557,352.13-340,786,160.20

Finding the Fourth Proportional to 619,244,636.77, 854,557,352.13 and 340,786,160.20

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Solution

The fourth proportional to 619,244,636.77, 854,557,352.13 and 340,786,160.20 is: 470,284,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,244,636.77 : 854,557,352.13 = 340,786,160.20 : x
  2. Step 2: Convert to fraction form
    619,244,636.77/854,557,352.13 = 340,786,160.20/x
  3. Step 3: Cross multiply
    619,244,636.77x = 854,557,352.13 × 340,786,160.20
  4. Step 4: Simplify right side
    619,244,636.77x = 291,221,318,703,061,952
  5. Step 5: Solve for x
    x = 291,221,318,703,061,952/619,244,636.77
  6. Step 6: Final answer
    x = 470,284,765.36

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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.