Home / 403,910,950.23-557,373,089.31-234,352,052.61

Finding the Fourth Proportional to 403,910,950.23, 557,373,089.31 and 234,352,052.61

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Solution

The fourth proportional to 403,910,950.23, 557,373,089.31 and 234,352,052.61 is: 323,391,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,910,950.23 : 557,373,089.31 = 234,352,052.61 : x
  2. Step 2: Convert to fraction form
    403,910,950.23/557,373,089.31 = 234,352,052.61/x
  3. Step 3: Cross multiply
    403,910,950.23x = 557,373,089.31 × 234,352,052.61
  4. Step 4: Simplify right side
    403,910,950.23x = 130,621,527,549,375,344
  5. Step 5: Solve for x
    x = 130,621,527,549,375,344/403,910,950.23
  6. Step 6: Final answer
    x = 323,391,894.86

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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.