Home / 344,964,138,876.15-517,446,208,314.20-210,874,346,978.55

Finding the Fourth Proportional to 344,964,138,876.15, 517,446,208,314.20 and 210,874,346,978.55

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Solution

The fourth proportional to 344,964,138,876.15, 517,446,208,314.20 and 210,874,346,978.55 is: 316,311,520,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,964,138,876.15 : 517,446,208,314.20 = 210,874,346,978.55 : x
  2. Step 2: Convert to fraction form
    344,964,138,876.15/517,446,208,314.20 = 210,874,346,978.55/x
  3. Step 3: Cross multiply
    344,964,138,876.15x = 517,446,208,314.20 × 210,874,346,978.55
  4. Step 4: Simplify right side
    344,964,138,876.15x = 109,116,131,274,783,669,092,352
  5. Step 5: Solve for x
    x = 109,116,131,274,783,669,092,352/344,964,138,876.15
  6. Step 6: Final answer
    x = 316,311,520,467.81

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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.