Home / 419,904,047.55-628,722,330.51-419,904,047.55

Finding the Fourth Proportional to 419,904,047.55, 628,722,330.51 and 419,904,047.55

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Solution

The fourth proportional to 419,904,047.55, 628,722,330.51 and 419,904,047.55 is: 628,722,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,047.55 : 628,722,330.51 = 419,904,047.55 : x
  2. Step 2: Convert to fraction form
    419,904,047.55/628,722,330.51 = 419,904,047.55/x
  3. Step 3: Cross multiply
    419,904,047.55x = 628,722,330.51 × 419,904,047.55
  4. Step 4: Simplify right side
    419,904,047.55x = 264,003,051,366,217,856
  5. Step 5: Solve for x
    x = 264,003,051,366,217,856/419,904,047.55
  6. Step 6: Final answer
    x = 628,722,330.51

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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.