Home / 409,667,764.20-565,385,326.32-251,003,183.61

Finding the Fourth Proportional to 409,667,764.20, 565,385,326.32 and 251,003,183.61

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Solution

The fourth proportional to 409,667,764.20, 565,385,326.32 and 251,003,183.61 is: 346,411,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,667,764.20 : 565,385,326.32 = 251,003,183.61 : x
  2. Step 2: Convert to fraction form
    409,667,764.20/565,385,326.32 = 251,003,183.61/x
  3. Step 3: Cross multiply
    409,667,764.20x = 565,385,326.32 × 251,003,183.61
  4. Step 4: Simplify right side
    409,667,764.20x = 141,913,516,872,698,752
  5. Step 5: Solve for x
    x = 141,913,516,872,698,752/409,667,764.20
  6. Step 6: Final answer
    x = 346,411,236.80

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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.