Home / 409,667,763.20-565,385,324.94-251,003,182.61

Finding the Fourth Proportional to 409,667,763.20, 565,385,324.94 and 251,003,182.61

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Solution

The fourth proportional to 409,667,763.20, 565,385,324.94 and 251,003,182.61 is: 346,411,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,667,763.20 : 565,385,324.94 = 251,003,182.61 : x
  2. Step 2: Convert to fraction form
    409,667,763.20/565,385,324.94 = 251,003,182.61/x
  3. Step 3: Cross multiply
    409,667,763.20x = 565,385,324.94 × 251,003,182.61
  4. Step 4: Simplify right side
    409,667,763.20x = 141,913,515,962,342,496
  5. Step 5: Solve for x
    x = 141,913,515,962,342,496/409,667,763.20
  6. Step 6: Final answer
    x = 346,411,235.43

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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.