Home / 313,744,125.55-470,070,796.80-220,172,644.38

Finding the Fourth Proportional to 313,744,125.55, 470,070,796.80 and 220,172,644.38

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Solution

The fourth proportional to 313,744,125.55, 470,070,796.80 and 220,172,644.38 is: 329,876,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,744,125.55 : 470,070,796.80 = 220,172,644.38 : x
  2. Step 2: Convert to fraction form
    313,744,125.55/470,070,796.80 = 220,172,644.38/x
  3. Step 3: Cross multiply
    313,744,125.55x = 470,070,796.80 × 220,172,644.38
  4. Step 4: Simplify right side
    313,744,125.55x = 103,496,730,377,269,648
  5. Step 5: Solve for x
    x = 103,496,730,377,269,648/313,744,125.55
  6. Step 6: Final answer
    x = 329,876,233.37

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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.