Home / 419,641,022.24-578,872,131.12-294,379,714.24

Finding the Fourth Proportional to 419,641,022.24, 578,872,131.12 and 294,379,714.24

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Solution

The fourth proportional to 419,641,022.24, 578,872,131.12 and 294,379,714.24 is: 406,080,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,641,022.24 : 578,872,131.12 = 294,379,714.24 : x
  2. Step 2: Convert to fraction form
    419,641,022.24/578,872,131.12 = 294,379,714.24/x
  3. Step 3: Cross multiply
    419,641,022.24x = 578,872,131.12 × 294,379,714.24
  4. Step 4: Simplify right side
    419,641,022.24x = 170,408,212,540,605,408
  5. Step 5: Solve for x
    x = 170,408,212,540,605,408/419,641,022.24
  6. Step 6: Final answer
    x = 406,080,920.38

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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.