Home / 363,493,210,466.19-545,239,815,736.83-121,470,320,631.25

Finding the Fourth Proportional to 363,493,210,466.19, 545,239,815,736.83 and 121,470,320,631.25

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Solution

The fourth proportional to 363,493,210,466.19, 545,239,815,736.83 and 121,470,320,631.25 is: 182,205,480,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,493,210,466.19 : 545,239,815,736.83 = 121,470,320,631.25 : x
  2. Step 2: Convert to fraction form
    363,493,210,466.19/545,239,815,736.83 = 121,470,320,631.25/x
  3. Step 3: Cross multiply
    363,493,210,466.19x = 545,239,815,736.83 × 121,470,320,631.25
  4. Step 4: Simplify right side
    363,493,210,466.19x = 66,230,455,238,476,408,291,328
  5. Step 5: Solve for x
    x = 66,230,455,238,476,408,291,328/363,493,210,466.19
  6. Step 6: Final answer
    x = 182,205,480,959.42

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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.