Home / 305,914,338,484.83-422,163,099,575.11-166,868,650,356.06

Finding the Fourth Proportional to 305,914,338,484.83, 422,163,099,575.11 and 166,868,650,356.06

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Solution

The fourth proportional to 305,914,338,484.83, 422,163,099,575.11 and 166,868,650,356.06 is: 230,279,453,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,338,484.83 : 422,163,099,575.11 = 166,868,650,356.06 : x
  2. Step 2: Convert to fraction form
    305,914,338,484.83/422,163,099,575.11 = 166,868,650,356.06/x
  3. Step 3: Cross multiply
    305,914,338,484.83x = 422,163,099,575.11 × 166,868,650,356.06
  4. Step 4: Simplify right side
    305,914,338,484.83x = 70,445,786,656,229,570,904,064
  5. Step 5: Solve for x
    x = 70,445,786,656,229,570,904,064/305,914,338,484.83
  6. Step 6: Final answer
    x = 230,279,453,408.89

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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.